Top AST products

Hand-picked items with quick links to pricing and details.

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Top AST products

Hand-picked items with quick links to pricing and details.

AST Double Door Security Lock,

[Sturdy and Durable Double Door Lock]: This double door lockout device is made of diecasted aluminum with unibody design, it is a high quality solution as double door lock with key and french door lock, 3 keys are included for internal use or external use. It provides extra security not as door barricade but also double door security device.

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AST Double Door Security Lock,

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AST Round Deadbolt Lockout Device,

Easy Installation: This deadbolt cover just uses existing cut-out of deadbolt lock and no need of drill, the only need of tool is screw driver. So it is quite easy for installation against other similar deadbolt child safety lock or door safety cover. A storage bag is included for user's convenience.

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AST (Assenmacher Specialty Tools) WSC15

Ideal solution for holding wires in place during soldering

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Assenmacher Specialty Tools V 410

For removal of oil filter housing

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Assenmacher Specialty Tools FZ 32

Product type :AUTO ACCESSORY

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Assenmacher Specialty Tools TOY 640

Made of cast aluminium

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Key specs at a glance.

Feature/Spec	AST Double Door Lockout Device, French Door Reinforcement Lock (Matte White with Keyed Differ)	AST Double Door Lockout Device, French Door Reinforcement Lock (Matte Black with Key Alike)	AST Double Door Lockout Device, French Door Reinforcement Lock (Matte Black with Keyed Differ)	AST Double Door Security Lock, Keyed French Door Lockout Device (Matte Black with Snib and Cylinder)	AST Double Door Security Lock, Keyed French Door Lockout Device (Matte Black with Keyed Alike Cylinder)	AST Round Deadbolt Lockout Device, No Drill Install (Matte Black with Brass Keys)	AST (Assenmacher Specialty Tools) WSC15 Wire Soldering Clamp	Assenmacher Specialty Tools V 410 Oil Filter Housing Wrench
Material	Diecast aluminium alloy and brass	Diecast aluminium alloy	Diecast aluminium alloy and brass	Diecast aluminium	Diecast aluminium	Diecast zinc alloy with brass cylinder	N/A	Cast aluminium
Keys Included	3 keys (keyed differ)	3 keys (keyed alike)	3 keys (keyed differ)	3 keys	3 keys	3 keys	N/A	N/A
Suitable for Knobset and Handleset	Yes	Yes	Yes	Yes	Yes	No	N/A	N/A
Locking Adjustment Range	Big range	Big range	Big range	Big range	Big range	N/A	N/A	N/A
Indoor/Outdoor Use	Indoor and works outdoors	Indoor and works outdoors	Indoor and works outdoors	Indoor and works outdoors	Indoor and works outdoors	Indoor and outdoor	N/A	N/A
Warranty/Support	30-day return policy, 24/7 support	30-day return policy, 24/7 support	30-day return policy, 24/7 support	30-day return policy, 24/7 support	30-day return policy, 24/7 support	30-day return policy, 24/7 support	N/A	N/A
Buy Now	Buy
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Buy	Check price	Check price	Check price	Check price	Check price	Check price	Check price	Check price

About AST

A short background and what makes this brand stand out.

At AST, we prioritise your security and peace of mind with our reliable, innovative locking solutions. Our products are designed with high-quality materials and cutting-edge technology, ensuring durability and effectiveness in safeguarding your home. With a commitment to safety and user-friendly design, AST stands out as a trusted choice for families and homeowners alike.

Our diverse range of products includes the AST Double Door Lockout Device, ideal for securing double doors, and the French Door Reinforcement Lock, available with three keys for added convenience. For enhanced safety, explore our Lockout to Double Door Knobset and Handleset options, designed to prevent unauthorized access. Parents will appreciate our Childproof Door Lock offerings in both Premium Matte White and Matte Black finishes, providing child safety alongside style. Additionally, our Double Door Security Locks come equipped with keyed French door lockout devices, functionality for knob and handle reinforcements, and features designed to prevent kick-ins, making them perfect for creating a secure environment. With AST, you can trust that your doors are fortified against potential threats.

In-depth details

Helpful context, usage notes, and comparisons.

Product overview

The AST Double Door Lockout Device is a premium security solution designed for homeowners seeking to enhance the safety of their double or French doors. Made from diecasted solid aluminium alloy and brass, this lock features a unibody design that offers durability and strength. It comes with three keys, making it suitable for both internal and external use, and is particularly beneficial for families with young children or individuals requiring additional security measures. This device serves as a childproof door lock, providing peace of mind for parents and caregivers alike.

Advantages over alternatives

Premium construction: Made from diecasted solid aluminium alloy and brass, this lockout device offers superior durability compared to competing alternatives.

Versatile compatibility: The AST lockout device features a bigger range of adjustment, ensuring it fits most knobsets and handlesets for double doors seamlessly.

Childproof design: This lock is specifically designed for child safety, providing an extra layer of security that is ideal for homes with young children.

Easy installation: The device requires no drilling and can be easily removed, making it a convenient option for renters or those who prefer a non-permanent solution.

Comprehensive support: With 24/7 email support and a 30-day return policy, customers can feel confident in their purchase and receive assistance whenever needed.

Additional context

Typical use cases for the AST Double Door Lockout Device include securing doors in homes with children, as well as providing an extra layer of protection against potential intruders. Buyers should ensure that the lock is compatible with their existing knobsets and handlesets, as it has a larger range of adjustment to fit most double door configurations. It is advisable to verify the size of the doors before placing an order, as this will help avoid compatibility issues. Additionally, customers can take advantage of the 30-day return policy and 24/7 email support for any inquiries or concerns regarding the product.

What customers say

A few example reviews to set expectations.

Robert Anderson

Rating: *rating*/5

This lockout device is a game changer for securing my French doors. The matte white finish blends seamlessly with my decor, and the added childproof feature gives me peace of mind. The three keys are handy, and the installation was straightforward. I feel much safer knowing my children can't easily open the doors. Highly recommend this premium product for anyone looking to enhance their home security!

2026-04-01

Maria Garcia

Rating: *rating*/5

The AST Double Door Lockout Device is an excellent choice for added security on French doors. The matte white finish blends seamlessly with our décor, and the included keys are a great feature. It was easy to install, and I appreciate the childproof aspect, giving me peace of mind. Overall, this lockout device is sturdy and reliable, perfect for families looking to enhance home safety. Highly recommend!

2026-03-25

David Johnson

Rating: *rating*/5

The AST Double Door Lockout Device is a sturdy option for enhancing security on French doors. It's easy to install and offers good childproofing. However, the keyed differ feature might be a bit confusing for some users. Overall, it provides peace of mind and a solid layer of protection, making it a worthwhile investment for families.

2026-03-18

Sarah Williams

Rating: *rating*/5

This lockout device is fantastic! Installation was straightforward, and it provides excellent reinforcement for our French doors. The matte white finish blends perfectly with our décor, and having three keys is a convenient bonus. I feel much more secure knowing that it's childproof, keeping little ones safe while still allowing easy access for adults. Highly recommend for anyone looking for a reliable double door lock solution.

2026-03-11

Michael Brown

Rating: *rating*/5

The AST Double Door Lockout Device is a solid addition for securing French doors. It offers good childproofing features and comes with three keys, which adds convenience. However, installation can be a bit tricky for some and the matte white finish may show scuffs easily. Overall, it effectively enhances security and gives peace of mind for families.

2026-03-04

Frequently Asked Questions

Quick answers to common questions.

What features make the AST Double Door Lockout Device effective for securing my doors?

The AST Double Door Lockout Device is designed with robust materials to prevent unauthorised entry. It features a unique locking mechanism that reinforces double doors, effectively securing them against forced entry and increasing overall home safety.

Can the French Door Reinforcement Lock be used on all types of French doors?

Yes, the French Door Reinforcement Lock is designed to be compatible with most standard French doors. However, it is advisable to check the dimensions and specifications of your doors to ensure a proper fit.

How easy is it to install the Round Deadbolt Lockout Device without drilling?

The Round Deadbolt Lockout Device offers a no-drill installation process, making it easy for homeowners to secure their doors without the need for complex tools or expertise. Detailed instructions are included in the package, facilitating a straightforward set-up.

Are the AST Childproof Door Locks suitable for all ages of children?

Yes, the AST Childproof Door Locks are specifically designed to prevent kids from accessing restricted areas, making them suitable for toddlers and young children. Their safety features help provide peace of mind for parents and caregivers.

What options do I have for keying with the Premium Version locks?

The Premium Version locks are available in two keying options: Keyed Differ, which provides a unique key for each lock, and Key Alike, which allows multiple locks to be operated with the same key. This flexibility caters to various security needs and preferences.

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