The Master Lock 3D laminated padlock features a 1-9/16 in. (40 mm) wide laminated steel body for maximum strength and reliability. The 9/32 in. (7 mm) diameter shackle is 3/4 in. (19 mm) long and made of hardened steel, offering extra resistance to cutting and sawing. The 4-pin cylinder prevents picking and the dual locking levers provide resistance against prying and hammering. The limited lifetime warranty provides peace of mind from a brand you know and can trust. Indoor and outdoor padlock; best used for residential gates and fences, sheds, workshops and garages, storage lockers, tool boxes and more Key lock is constructed with laminated steel body and a hardened steel shackle for strength and security Four-pin cylinder for added pick resistance 1-9/16 in (40 mm) wide lock body; 9/32 in (7 mm) diameter shackle with 3/4 in (19 mm) length, 5/8 in (16 mm) width One padlock, two keys; made in the USA Dual ball bearing locking for maximum pry resistance Color/Finish Family: Silver Manufacturer Color/Finish: Silver Series Name: Outdoor Height (Inches): 2.41 Shackle Diameter (Inches): 0.28 Shackle Height: 3/4-in Shackle Width (Inches): 0.608 Thickness (Inches): 0.919 Width (Inches): 1.58 Width Measurement: 1-9/16-in Adjustable: No Combination Type: N/A (not combination) Contractor Grade: No Dial Count: N/A (keyed lock) For Use with Bikes: No For Use with Laptops: No For Use with Luggage: No Keys Included: Yes Lock Material: Steel Lock Type: Keyed padlock Number of Pins: 4 Package Quantity: 1 Rust Protection: No Shrouded Shackle: No Use Location: Indoor or Outdoor Warranty: Limited 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