The Master Lock Magnum® M5XTLF laminated padlocks with keys feature a 2 in. (51 mm) wide laminated steel body for maximum strength and reliability, and is surrounded by stainless steel and zinc outer components for weather resistance. The 3/8 in. (10 mm) diameter octagonal shackle is 1-1/2 in. (38 mm) long and made of Tough-Cut™ boron-carbide, 50% harder than hardened steel, offering maximum resistance to cutting and sawing. The 4-pin cylinder prevents picking and the dual locking ball bearings provide maximum resistance against prying and hammering. The lifetime guarantee provides peace of mind from a brand you know and can trust. Magnum® - #1 choice of professionals Tough-Cut™ shackle and Dual-Armor™ lock body for maximum strength Same key opens both locks (two keys included) 2 in (51 mm) wide lock body; 3/8 in (10 mm) diameter shackle with 1-1/2 in (38 mm) length, 15/16 in (24 mm) width; extended shackle for application flexibility Outdoor lock; heavy duty padlock with key is best used for outdoor storage and fences, self-storage units and lockers, tools, job boxes and more Key lock features dual armor™ construction: laminated steel lock body surrounded by stainless steel and zinc outer components and Tough-Cut™ octagonal boron-carbide shackle is 50% harder than hardened steel 4-Pin cylinder and dual ball bearing locking for increased pick and pry resistance; covered keyway and shackle for added weather protection Color/Finish Family: Silver Manufacturer Color/Finish: Silver Series Name: Heavy Duty Outdoor Height (Inches): 4.166 Shackle Diameter (Inches): 0.346 Shackle Height: 1-1/2-in Shackle Width (Inches): 0.951 Thickness (Inches): 1.228 Width (Inches): 2 Width Measurement: 2-in Adjustable: No Combination Type: N/A (not combination) Contractor Grade: Yes Dial Count: N/A (keyed lock) For Use with Bikes: No For Use with Laptops: No For Use with Luggage: No Keying Type: Keyed alike Keys Included: Yes Lock Material: Steel Lock Type: Keyed padlock Number of Pins: 4 Package Quantity: 2 Rust Protection: Yes Shrouded Shackle: No Use Location: Indoor or Outdoor Warranty: Lifetime Weatherproof: Yes App Compatibility: No Bluetooth Compatibility: No Smart Compatible: No Wi-Fi Compatibility: No Works with Android: No Works with iOS: No CA Residents: Prop 65 Warning(s): No TSA Accepted: No UNSPSC: 46171500