--- product_id: 283324577 title: "Master Lock Portable Combination Key Lock Box Adjustable Shackle 5420EC" brand: "master lock" price: "€ 61.89" currency: EUR in_stock: true category: "Master Lock" url: https://www.desertcart.ie/products/283324577-master-lock-portable-combination-key-lock-box-adjustable-shackle-5420ec store_origin: IE region: Ireland --- # Heavy-duty zinc body 4-digit customizable combo Weather-resistant cover Master Lock Portable Combination Key Lock Box Adjustable Shackle 5420EC **Brand:** master lock **Price:** € 61.89 **Availability:** ✅ In Stock ## Summary > 🔐 Secure your keys, unlock your freedom—because trust is the new luxury. ## Quick Answers - **What is this?** Master Lock Portable Combination Key Lock Box Adjustable Shackle 5420EC by master lock - **How much does it cost?** € 61.89 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/283324577-master-lock-portable-combination-key-lock-box-adjustable-shackle-5420ec) ## 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 - • **Trusted Longevity:** Backed by Master Lock’s Limited Lifetime Warranty for peace of mind. - • **Personalized Access:** Set and reset your own 4-digit code for ultimate control and convenience. - • **Spacious & Versatile:** Holds up to 5 standard keys, fitting most door knob types with ease. - • **Unbreakable Security:** Solid zinc construction guards your keys with industrial strength. - • **Weatherproof Reliability:** Full protective cover shields dials from rain, dirt, and grime—perfect for outdoor use. ## Overview The Master Lock 5420EC Portable Combination Key Lock Box offers heavy-duty zinc construction and a weather-resistant cover to securely store up to five standard keys. Featuring a customizable 4-digit combination lock, it provides keyless convenience and high security for outdoor or indoor mounting. Designed for durability and backed by a Limited Lifetime Warranty, this lock box is ideal for professionals seeking reliable, hassle-free access control. ## Description The Master Lock 5415D Heavy Duty Key Lock Box features a 105mm wide metal body for durability and accepts multiple house keys and access cards. Stop hiding your keys under the doormat or under a flower pot. The wall mount design offers permanent installation. Set your own 4-digit combination for keyless convenience and increased security. The protective cover protects combination dials from weather, dirt and grime. The Limited Lifetime Warranty provides peace of mind from a brand you know and can trust. ## Features - Heavy duty key lock box for high security storage of up to five standard (2 in.) house keys; designed for installation to a wall or fixed object.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit. - Set your own four-digit combination lock box; reset the combination for thousands of personalized combination code options - For outdoor use; heavy duty key safe is constructed with a solid zinc body for high security and full weather cover to protect combination dials - Exterior dimensions: 5.5in (13.2cm) H x 4.1in (10.5cm) W x 1.7in (4.3cm) D; Interior dimensions: 4.4in (11.3cm) H x 2.5in (6.4cm) W x 1.2in (3.1cm D) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08H2JPRQ1 | | Additional Features | Durability | | Best Sellers Rank | #59,835 in Office Products ( See Top 100 in Office Products ) #133 in Security Lock Boxes | | Brand Name | Master Lock | | Color | Zinc | | Controller Type | Hand Control | | Customer Reviews | 4.5 4.5 out of 5 stars (874) | | Finish Types | Zinc | | Global Trade Identification Number | 00071649349331 | | Included Components | Lock Box, Mounting Hardware | | Item Dimensions | 5.2 x 4.13 x 1.69 inches | | Item Highlight | Key Lock Box For Realtors & Landlords Securely Fits Most Lever, Ball, Biscuit, Tulip Door Knobs, Resettable 4-digit Code | | Item Type Name | Lock Box | | Item Weight | 3 pounds | | Lock Type | Combination Lock | | Manufacturer | Master Lock Company | | Manufacturer Part Number | 5415D | | Manufacturer Warranty Description | Limited Lifetime | | Material Type | Zinc | | Model Name | 5415D | | Model Number | 5415D | | Number of Items | 1 | | Number of Packs | 1 | | Number of Pieces | 1 | | Recommended Uses For Product | Security | | Shape | Mount | | Style Name | Heavy Duty | | UPC | 071649349331 | | Unit Count | 1 Count | ## Product Details - **Brand:** Master Lock - **Item dimensions L x W x H:** 5.2 x 4.13 x 1.69 inches - **Lock Type:** Combination Lock - **Material:** Zinc - **Special Feature:** Durability ## Images ![Master Lock Portable Combination Key Lock Box Adjustable Shackle 5420EC - Image 1](https://m.media-amazon.com/images/I/51H0HpzCRyL.jpg) ![Master Lock Portable Combination Key Lock Box Adjustable Shackle 5420EC - Image 2](https://m.media-amazon.com/images/I/41h2lXHxcKL.jpg) ![Master Lock Portable Combination Key Lock Box Adjustable Shackle 5420EC - Image 3](https://m.media-amazon.com/images/I/514MKoYOMAL.jpg) ![Master Lock Portable Combination Key Lock Box Adjustable Shackle 5420EC - Image 4](https://m.media-amazon.com/images/I/61blEQgbdbL.jpg) ![Master Lock Portable Combination Key Lock Box Adjustable Shackle 5420EC - Image 5](https://m.media-amazon.com/images/I/51MFeE2AH8L.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - Master Lock Heavy Duty Key Lock Box, Key Box, Wall Mount, Share Key Safe’s Combo with Tenants, Guests, Cleaning Crews, Ideal for Landlords, Realtors, Property Managers, Holds 5 Keys, 5415D - Master Lock 5490D Retractable Lock Box Key Tether Small - Master Lock Set Your Own combination Wall Mount Lock Box, 5 Key capacity, Black 5401EC --- ## 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.ie/products/283324577-master-lock-portable-combination-key-lock-box-adjustable-shackle-5420ec](https://www.desertcart.ie/products/283324577-master-lock-portable-combination-key-lock-box-adjustable-shackle-5420ec) --- *Product available on Desertcart Ireland* *Store origin: IE* *Last updated: 2026-09-21*