--- product_id: 227442244 title: "Proven Industries Puck Lock Set, Model 400XL, 2-Pack, Hidden Shackle, Keyed Alike, 6061 Solid Aluminum, Shackle Opening 1 3/4 x 1 3/4 x 7/8 in, Depth 1 1/4 in, Made in USA, Blue" brand: "proven industries" price: "$440.98" currency: USD in_stock: true category: "Proven Industries" url: https://www.desertcart.ec/products/227442244-proven-industries-puck-lock-set-model-400xl-2-pack-hidden store_origin: EC region: Ecuador --- # Keyed-alike 2-pack convenience Pick-resistant hidden shackle 6061 aircraft-grade aluminum Proven Industries Puck Lock Set, Model 400XL, 2-Pack, Hidden Shackle, Keyed Alike, 6061 Solid Aluminum, Shackle Opening 1 3/4 x 1 3/4 x 7/8 in, Depth 1 1/4 in, Made in USA, Blue **Brand:** proven industries **Price:** $440.98 **Availability:** ✅ In Stock ## Summary > 🔐 Lock in security, unlock peace of mind. ## Quick Answers - **What is this?** Proven Industries Puck Lock Set, Model 400XL, 2-Pack, Hidden Shackle, Keyed Alike, 6061 Solid Aluminum, Shackle Opening 1 3/4 x 1 3/4 x 7/8 in, Depth 1 1/4 in, Made in USA, Blue by proven industries - **How much does it cost?** $440.98 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/227442244-proven-industries-puck-lock-set-model-400xl-2-pack-hidden) ## Best For - proven industries enthusiasts ## Why This Product - Trusted proven industries brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Proudly Made in the USA:** Crafted with precision and quality control for dependable, consistent performance. - • **Ultimate Theft Deterrence:** Hidden shackle design blocks bolt cutters and prying tools for maximum security. - • **Built to Brave the Elements:** Corrosion-resistant solid aluminum ensures long-lasting protection in any weather. - • **Seamless Fit for Enclosed Trailers:** Enlarged rear opening fits common trailer hasps for quick, confident installation. - • **Simplify Access with Keyed-Alike Set:** One key operates both locks, streamlining fleet management and daily operations. ## Overview The Proven Industries 400XL Puck Lock Set offers a robust, pick-resistant locking solution with a concealed shackle crafted from aircraft-grade aluminum. Designed specifically for enclosed trailer doors, this keyed-alike 2-pack ensures streamlined access and superior corrosion resistance. Made in the USA, it delivers reliable, tamper-proof protection that professionals trust for securing valuable cargo. ## Description Proven Industries Puck Lock Set, Model 400XL, 2-Pack, Hidden Shackle, Keyed Alike, 6061 Solid Aluminum, Shackle Opening 1 3/4 x 1 3/4 x 7/8 in, Depth 1 1/4 in, Made in USA, Blue - desertcart.com ## Features - MAXIMUM THEFT DETERRENCE: Secure rear and side enclosed trailer doors with a pick-resistant puck lock that conceals the shackle for added protection. The fully shielded shackle helps block bolt cutters and prying tools, while the robust lock body resists impact and tampering. - CORROSION-RESISTANT STRENGTH: Rely on rugged construction that stands up to weather and tough jobs. Solid aircraft-grade aluminum resists corrosion and tampering, and the protected shackle design helps prevent common attacks so your gear stays locked down season after season. - FITS ENCLOSED TRAILER HASPS: Install quickly on rear and side doors configured with swivel hasps. The enlarged rear opening on the 400XL accommodates common enclosed trailer hardware for a confident fit, helping ensure secure engagement and reliable daily use across routes. - CONVENIENT KEYED-ALIKE SET: Streamline access without juggling extras when managing multiple doors. Each lock includes 2 keys, and every key in the set operates both locks for simple operation, faster loadouts, and fewer hassles for owners, drivers, and fleet managers on every job. - MADE IN THE USA: Proudly manufactured to high-quality standards domestically to ensure reliable materials and craftsmanship with strict quality control and customer support. Tight tolerances and quality inspection help deliver consistent performance and dependable protection. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B089XHNSG7 | | Additional Features | Key Lock | | Best Sellers Rank | #70,316 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #143 in Keyed Padlocks | | Brand Name | Proven Industries | | Color | Blue | | Connectivity Protocol | Wi-Fi | | Control Method | Touch | | Controller Type | Hand Control | | Customer Reviews | 4.5 4.5 out of 5 stars (240) | | Finish Types | Painted | | Included Components | 2 puck locks and 2 keys per lock | | Lock Type | Key Lock | | Manufacturer | Proven Locks | | Manufacturer Part Number | 400XL | | Material Type | Aluminum | | Model Name | 400XL | | Model Number | 400XL | | Number of Items | 2 | | Number of Pieces | 2 | | Recommended Uses For Product | securing enclosed trailer doors and protecting personal belongings | | Shape | Cylindrical | | Style Name | Modern | | UPC | 729573594715 | | Unit Count | 2 Count | ## Product Details - **Brand:** Proven Industries - **Lock Type:** Key Lock - **Material:** Aluminum - **Recommended Uses For Product:** securing enclosed trailer doors and protecting personal belongings - **Special Feature:** Key Lock ## Images ![Proven Industries Puck Lock Set, Model 400XL, 2-Pack, Hidden Shackle, Keyed Alike, 6061 Solid Aluminum, Shackle Opening 1 3/4 x 1 3/4 x 7/8 in, Depth 1 1/4 in, Made in USA, Blue - Image 1](https://m.media-amazon.com/images/I/61nqmJIdu9L.jpg) ## Available Options This product comes in different **Color** options. --- ## 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.ec/products/227442244-proven-industries-puck-lock-set-model-400xl-2-pack-hidden](https://www.desertcart.ec/products/227442244-proven-industries-puck-lock-set-model-400xl-2-pack-hidden) --- *Product available on Desertcart Ecuador* *Store origin: EC* *Last updated: 2026-10-13*