Product Description ------------------- The Master Lock 3TRILF Laminated Steel Padlocks with Key feature 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 1-1/2 in. (38 mm) long and made of hardened steel, offering extra resistance to cutting and sawing. The 4-pin cylinder prevents picking and the dual locking ball bearings provide resistance against prying and hammering. The Lifetime Guarantee provides peace of mind from a brand you know and can trust. From the Manufacturer --------------------- Master Lock 1-9/16" (40mm) wide Laminated Steel Pin Tumbler Padlock.