---
product_id: 45758818
title: "CAL Double Bolt Lock - Sliding Patio Door Locks - Child Proof Sliding Door Lock with Anti Lift Security Lock - Replaces Sliding Door Security Bar - Adjustable & Fits Most Doors (Gray)"
brand: "cal double-bolt lock"
price: "S$71"
currency: SGD
in_stock: true
reviews_count: 5
category: "Cal Double Bolt Lock"
url: https://www.desertcart.sg/products/45758818-cal-double-bolt-lock-sliding-patio-door-locks-child-proof
store_origin: SG
region: Singapore
---

# CAL Double Bolt Lock - Sliding Patio Door Locks - Child Proof Sliding Door Lock with Anti Lift Security Lock - Replaces Sliding Door Security Bar - Adjustable & Fits Most Doors (Gray)

**Brand:** cal double-bolt lock
**Price:** S$71
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** CAL Double Bolt Lock - Sliding Patio Door Locks - Child Proof Sliding Door Lock with Anti Lift Security Lock - Replaces Sliding Door Security Bar - Adjustable & Fits Most Doors (Gray) by cal double-bolt lock
- **How much does it cost?** S$71 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/45758818-cal-double-bolt-lock-sliding-patio-door-locks-child-proof)

## Best For

- cal double-bolt lock enthusiasts

## Why This Product

- Trusted cal double-bolt lock brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

The CAL Double bolt lock is the most secure and easiest way to prevent your children from wandering outside the house. It's innovated system allows you to install the lock at the desired height preventing children from reaching the lock and escaping into potential danger. Due to its unique design and operation, any occupant within plain view of the CAL Double-Bolt Lock could easily determine whether the lock is Open or Secured. The CAL Double-Bolt primary function is to protect your home or property from intruders. The CAL Double-Bolt Lock has been tested to provide over 1000 lbs. of Forced Entry Load Tension, preventing criminals from being able to lift out the sliding glass door from their tracks. This type of high security is something factory installed locks or after-market products cannot offer. The CAL Double-Bolt Lock sleek, aesthetic, and low profile design helps fit easily within the limited space available between the sliding glass door frame and the interior of the door panel. Allowing the lock to virtually disappear within the frame and window environment. The CAL Double- Bolt lock is great for everyone who owns a home or business.

Review: Perfect - Very useful, easy to install, and seems to make the door much more secure. At least my German Shepherd has not figured this one out yet.
Review: Awesome lock - Great lock. This is a replacement for one that lasted 4 years.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07435MVX1 |
| Additional Features | Anti-Drill |
| Best Sellers Rank | #841,585 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #4,780 in Sliding Door Hardware |
| Brand | CAL DOUBLE-BOLT LOCK |
| Brand Name | CAL DOUBLE-BOLT LOCK |
| Color | Silver |
| Customer Reviews | 4.1 out of 5 stars 14 Reviews |
| Item Dimensions | 11.9 x 1.5 x 4.5 inches |
| Item Height | 4.5 inches |
| Item dimensions L x W x H | 11.9 x 1.5 x 4.5 inches |
| Manufacturer | CAL-TECH International, Inc |
| Material | Metal |
| Material Type | Metal |
| Model Number | CAL |
| Special Feature | Anti-Drill |
| UPC | 685642638622 |

## Product Details

- **Brand:** CAL DOUBLE-BOLT LOCK
- **Item dimensions L x W x H:** 11.9 x 1.5 x 4.5 inches
- **Color:** Silver
- **UPC:** 685642638622
- **Manufacturer:** CAL-TECH International, Inc

## Images

![CAL Double Bolt Lock - Sliding Patio Door Locks - Child Proof Sliding Door Lock with Anti Lift Security Lock - Replaces Sliding Door Security Bar - Adjustable & Fits Most Doors (Gray) - Image 1](https://m.media-amazon.com/images/I/41I0brXTNHL.jpg)
![CAL Double Bolt Lock - Sliding Patio Door Locks - Child Proof Sliding Door Lock with Anti Lift Security Lock - Replaces Sliding Door Security Bar - Adjustable & Fits Most Doors (Gray) - Image 2](https://m.media-amazon.com/images/I/51f4vMc9iRL.jpg)
![CAL Double Bolt Lock - Sliding Patio Door Locks - Child Proof Sliding Door Lock with Anti Lift Security Lock - Replaces Sliding Door Security Bar - Adjustable & Fits Most Doors (Gray) - Image 3](https://m.media-amazon.com/images/I/617pr93ykVL.jpg)
![CAL Double Bolt Lock - Sliding Patio Door Locks - Child Proof Sliding Door Lock with Anti Lift Security Lock - Replaces Sliding Door Security Bar - Adjustable & Fits Most Doors (Gray) - Image 4](https://m.media-amazon.com/images/I/61PwcpJAArL.jpg)
![CAL Double Bolt Lock - Sliding Patio Door Locks - Child Proof Sliding Door Lock with Anti Lift Security Lock - Replaces Sliding Door Security Bar - Adjustable & Fits Most Doors (Gray) - Image 5](https://m.media-amazon.com/images/I/61nBNhF2WWL.jpg)

## Available Options

This product comes in different **Color** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect
*by R***N on August 25, 2025*

Very useful, easy to install, and seems to make the door much more secure. At least my German Shepherd has not figured this one out yet.

### ⭐⭐⭐⭐ Awesome lock
*by J***. on July 22, 2019*

Great lock. This is a replacement for one that lasted 4 years.

### ⭐⭐⭐⭐⭐ Safe
*by N***R on September 4, 2019*

Works great. Easy enough for adults but my kids can’t figure it out, perfect!

## Frequently Bought Together

- CAL Double Bolt Lock - Sliding Patio Door Locks - Child Proof Sliding Door Lock with Anti Lift Security Lock - Replaces Sliding Door Security Bar - Adjustable & Fits Most Doors (Gray)
- Burglabar 2 Pack for Sliding Door Locks for Sliding Glass Doors & Windows, Child Proof
- SDGINA Sliding Door Security Lock - Sliding Patio Door Lock for Glass Doors, Child Safety Foot Locks (Sliding Glass Door Lock, 1, Count)

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**Shop now:** [https://www.desertcart.sg/products/45758818-cal-double-bolt-lock-sliding-patio-door-locks-child-proof](https://www.desertcart.sg/products/45758818-cal-double-bolt-lock-sliding-patio-door-locks-child-proof)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-01-31*