--- product_id: 265433048 title: "Master Lock 5420D Set Your Own Combination Portable Lock Box with Adjustable Shackle, 6 Key Capacity" brand: "master lock" price: "383 zł" currency: PLN in_stock: true category: "Master Lock" url: https://www.desertcart.pl/products/265433048-master-lock-5420d-set-your-own-combination-portable-lock-box store_origin: PL region: Poland --- # 4-digit customizable combo adjustable shackle fits multiple knob styles weather-resistant with vinyl coating Master Lock 5420D Set Your Own Combination Portable Lock Box with Adjustable Shackle, 6 Key Capacity **Brand:** master lock **Price:** 383 zł **Availability:** ✅ In Stock ## Summary > 🔐 Lock in your peace of mind with style and flexibility! ## Quick Answers - **What is this?** Master Lock 5420D Set Your Own Combination Portable Lock Box with Adjustable Shackle, 6 Key Capacity by master lock - **How much does it cost?** 383 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/265433048-master-lock-5420d-set-your-own-combination-portable-lock-box) ## 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 by the Pros:** Join thousands of satisfied users who rely on Master Lock’s proven durability and security every day. - • **Compact Yet Spacious:** Internal dimensions designed to hold up to 6 keys without bulk—perfect for real estate pros and busy managers on the go. - • **Built to Brave the Elements:** Durable metal body with vinyl-coated shackle and weather cover protects your keys rain or shine. - • **Personalized Security, Your Way:** Set and reset thousands of unique 4-digit combinations for ultimate control and peace of mind. - • **Universal Fit, Maximum Convenience:** Adjustable shackle cinches securely to lever, ball, biscuit, and tulip door knobs—versatility that matches your dynamic lifestyle. ## Overview The Master Lock 5420D is a portable, weather-resistant lock box featuring a customizable 4-digit combination and an adjustable shackle that fits most door knob styles. With a durable metal body and vinyl-coated shackle, it securely stores up to 6 keys, making it ideal for real estate professionals and anyone needing reliable, flexible key storage indoors or outdoors. ## Description Buy Master Lock 5420D Set Your Own Combination Portable Lock Box with Adjustable Shackle, 6 Key Capacity online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase. ## Features - Adjustable shackle cinches lock box tightly and securely to most lever, ball, biscuit, and tulip door knob styles - Set your own 4 digit combination lock box for easy combination recall, set and reset your combination allowing thousands of personalized combination code options - For indoor and outdoor use, vinyl coated shackle and molded bumper prevent scratching, metal body construction for durability, weather cover protects combination dials from outdoor elements - 2-7/8 inches wide lock body, 3/8 inches diameter shackle with 1-3/4 inches MAX length, 3/4 inches minimum length, 1-13/32 inches width, internal dimensions: 4-3/16 inches height, 2-3/8 inches width, 1 inches depth ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07FD2N88X | | ASIN | B07FD2N88X | | Additional Features | Portable | | Best Sellers Rank | #69,498 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #235 in Combination Locks | | Brand Name | Master Lock | | Color | Black | | Control Method | App | | Controller Type | Hand Control | | Customer Reviews | 4.6 4.6 out of 5 stars (824) | | Customer reviews | 4.6 4.6 out of 5 stars (824) | | Date First Available | 4 September 2018 | | Department | Unisex-Adult | | Finish Types | Vinyl Coated | | Global Trade Identification Number | 00071649312694 | | Included Components | lock box, owners manual | | Is Discontinued By Manufacturer | No | | Item Dimensions | 5.2 x 7.3 x 17.8 centimeters | | Item Type Name | Set Your Own Combination Portable Lock Box with Adjustable Shackle | | Item Weight | 1.29 Pounds | | Item model number | 5420EC | | Lock Type | Combination Lock | | Manufacturer | The Master Lock Company | | Manufacturer | The Master Lock Company | | Manufacturer Part Number | 5420EC | | Material Type | Metal | | Model Name | 5420D | | Model Number | 5420EC | | Number of Pieces | 1 | | Product Dimensions | 5.23 x 7.3 x 17.78 cm; 585.13 g | | Recommended Uses For Product | Real Estate, Home Security, Key Storage | | Shape | Rectangular | | Style Name | Adjustable Shackle | | UPC | 071649312694 | | Unit Count | 1 Count | ## Product Details - **Brand:** Master Lock - **Item dimensions L x W x H:** 5.2 x 7.3 x 17.8 centimeters - **Lock type:** Combination Lock - **Material:** Metal - **Special features:** Portable ## Images ![Master Lock 5420D Set Your Own Combination Portable Lock Box with Adjustable Shackle, 6 Key Capacity - Image 1](https://m.media-amazon.com/images/I/51j47zV+XbL.jpg) ![Master Lock 5420D Set Your Own Combination Portable Lock Box with Adjustable Shackle, 6 Key Capacity - Image 2](https://m.media-amazon.com/images/I/61PBTTe1lQL.jpg) ![Master Lock 5420D Set Your Own Combination Portable Lock Box with Adjustable Shackle, 6 Key Capacity - Image 3](https://m.media-amazon.com/images/I/61IWlrkTDmL.jpg) ![Master Lock 5420D Set Your Own Combination Portable Lock Box with Adjustable Shackle, 6 Key Capacity - Image 4](https://m.media-amazon.com/images/I/71CjkdfYHYL.jpg) ![Master Lock 5420D Set Your Own Combination Portable Lock Box with Adjustable Shackle, 6 Key Capacity - Image 5](https://m.media-amazon.com/images/I/61uYiE7MaAL.jpg) ## Available Options This product comes in different **Style** options. ## Frequently Bought Together - Master Lock Black Portable Key Lock Box with Adjustable Shackle, Set/Reset Combination for Tenants, Guests, Clients, Ideal for Realtors, Landlords or Property Managers, Holds 6 Keys, 5420EC - Master Lock 5490D Retractable Lock Box Key Tether Small - Master Lock Key Lock Box, Outdoor Lock Box for House Keys, Key Safe with Combination Lock, 5 Key Capacity, 5400EC, Black --- ## 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.pl/products/265433048-master-lock-5420d-set-your-own-combination-portable-lock-box](https://www.desertcart.pl/products/265433048-master-lock-5420d-set-your-own-combination-portable-lock-box) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-04-29*