--- product_id: 205033131 title: "Set Your Own Combination Portable Key Safe, 3-1/4 inch, Wide (Black)" brand: "master lock" price: "€ 81.19" currency: EUR in_stock: true category: "Master Lock" url: https://www.desertcart.be/products/205033131-set-your-own-combination-portable-key-safe-3-1-4 store_origin: BE region: Belgium --- # 4-digit customizable combo lock Weather-resistant shutter door Holds up to 5 standard keys Set Your Own Combination Portable Key Safe, 3-1/4 inch, Wide (Black) **Brand:** master lock **Price:** € 81.19 **Availability:** ✅ In Stock ## Summary > 🔐 Secure your keys, unlock your freedom — never get locked out again! ## Quick Answers - **What is this?** Set Your Own Combination Portable Key Safe, 3-1/4 inch, Wide (Black) by master lock - **How much does it cost?** € 81.19 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/205033131-set-your-own-combination-portable-key-safe-3-1-4) ## Best For - master lock enthusiasts ## Why This Product - Trusted master lock brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Brave the Elements:** Durable metal body with vinyl-coated shackle and weather-protective shutter door for indoor/outdoor use. - • **Spacious Yet Compact Design:** Securely store up to five standard house keys in a sleek 3-1/4 inch wide metal box. - • **Universal Fit for Most Door Knobs:** Shackle designed to fit ball, biscuit, and tulip door knob styles effortlessly. - • **Trusted Brand with Lifetime Warranty:** Master Lock quality backed by a limited lifetime warranty ensures peace of mind. - • **Personalized Security at Your Fingertips:** Set and reset thousands of unique 4-digit combinations for ultimate control. ## Overview The Master Lock 5400D Portable Key Safe offers a robust, weather-resistant metal lock box with a customizable 4-digit combination, capable of storing up to five standard keys. Its vinyl-coated shackle fits most door knob styles, making it perfect for both indoor and outdoor use. Compact yet spacious, this trusted security solution comes with a limited lifetime warranty, ensuring reliable key access and peace of mind for busy professionals. ## Description Master Lock Set Your Own Combination Portable Key Safe, 3-1/4 inch, Wide (Black) : desertcart.in: Home Improvement ## Features - Large capacity key lock box enables secure storage of up to five standard (2 in.) house keys; Shackle fits most ball, biscuit, and tulip door knob styles - Set your own four-digit combination lock box; reset the combination for thousands of personalized combination code options - For indoor and outdoor use; key safe is constructed with a metal body for durability, vinyl coated shackle to prevent scratching, and shutter door to protect combination dials from weather - Exterior dimensions: 4 in. (10.2 cm) H x 3-1/4 in. (8.3 cm) W x 1-3/4 in. (4.4 cm) D; 13/32 in. (10 mm) diameter shackle with 1-13/32 in. (36 mm) L, 1-7/8 in. (48 mm) W - Capacity for 5 standard (2 in.) house keys; Interior dimensions are shaped like an ""L;"" Top section measures 0.3 in. x 1.56 in. x 2.95 in; bottom section measures 0.95 in. x 1.51 in. x 3.21 in. - Lock box combination is preset to open on 0-0-0-0. Combination reset instructions included with product. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0002YP1VC | | Additional Features | Durability | | Best Sellers Rank | #86,050 in Home Improvement ( See Top 100 in Home Improvement ) #119 in Combination Padlocks | | Brand Name | Master Lock | | Colour | Black | | Control Method | App | | Controller Type | Combination control | | Country of Publication | China | | Customer Reviews | 4.7 4.7 out of 5 stars (24,255) | | Global Trade Identification Number | 00071649214516 | | Importer Contact Information | ATM RETAIL 1st Floor Beside P and T Building Lakdi Ka Pul Hyderabad Telangana 500004 | | Included Components | none | | Item Dimensions | 38 x 83 x 159 Millimeters | | Item Type Name | Set Your Own Combination Portable Lock Box | | Item Weight | 1 Pounds | | Lock Type | Key | | Manufacturer | Master Lock | | Manufacturer Part Number | 5400EC | | Manufacturer Warranty Description | Limited Lifetime Warranty | | Material Type | Metal | | Model Name | 5400D | | Model Number | 5400D | | Number of Items | 1 | | Number of Packs | 1 | | Number of Pieces | 5 | | Product Finish Type | Painted | | Recommended Uses For Product | Temporary security for objects, spaces, or areas in various environments; securing multiple keys or accessing shared spaces. | | Shape | Rectangular | | Style Name | Portable | | UPC | 071649214516 | | Unit Count | 1 Count | ## Product Details - **Brand:** Master Lock - **Item dimensions L x W x H:** 38 x 83 x 159 Millimeters - **Lock Type:** Key - **Material:** Metal - **Special Feature:** Durability ## Images ![Set Your Own Combination Portable Key Safe, 3-1/4 inch, Wide (Black) - Image 1](https://m.media-amazon.com/images/I/71J3n5HFhRL.jpg) ![Set Your Own Combination Portable Key Safe, 3-1/4 inch, Wide (Black) - Image 2](https://m.media-amazon.com/images/I/414u5MzgQCL.jpg) ![Set Your Own Combination Portable Key Safe, 3-1/4 inch, Wide (Black) - Image 3](https://m.media-amazon.com/images/I/41EXHI6DWuL.jpg) ![Set Your Own Combination Portable Key Safe, 3-1/4 inch, Wide (Black) - Image 4](https://m.media-amazon.com/images/I/41YRD4zBEJL.jpg) ![Set Your Own Combination Portable Key Safe, 3-1/4 inch, Wide (Black) - Image 5](https://m.media-amazon.com/images/I/51dTb-fmUOL.jpg) ## Questions & Answers **Q: I like the how-to video for setting the combination. How do I open the U-lock hasp to secure it to the door, hose bib, etc?** A: Simply rotate the combination given when you PURCHASED the lock......pull....and it opens. Also, your own combination number is easy to set with knob inside of unit. **Q: My house key is 2.5 inches long X 1 inch wide and shaped like a car key. Would my house key fit in this product?** A: The box is 3" x 2 1/2" x 1 1/2" deep, plus some additional space at the top. You should be able to fit the key in. **Q: Can the code be changed?** A: Yes, easily. When you open the keybox you slide a lever over and then change the combination to anything you want, then slide the lever back and you are done. So you can use the keybox at different properties and never have the same code. **Q: How does this work? Want to use it when I leave an elderly relative home in case fall alert is triggered.** A: It is a sturdy combination lock which you attach to the outer door handle. Give the customizable combination to your fall alert company, local emergency personnel, and other trusted persons. It works great ## Frequently Bought Together - Master Lock Key Lock Box, Outdoor Lock Box for House Keys, Key Safe with Combination Lock, 5 Key Capacity, 5400EC, Black - Lock Box Buddy - Secure Lock Box Attachment for Lever Handles - Realtors, Vacation Rentals and Real Estate Agent Supplies - Realtor Supplies for Key Lock Box for Keys with Code (1 Pack) - Puroma Key Lock Box, Portable Combination Lockbox Wall-Mounted Key Storage Box for House Keys, Resettable Code Safe Security Lock Box for Home, Office, Apartment Spare Key Storage (1 Pack, Gray) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.be/products/205033131-set-your-own-combination-portable-key-safe-3-1-4](https://www.desertcart.be/products/205033131-set-your-own-combination-portable-key-safe-3-1-4) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-10-06*