Master Lock Padlock 1 9/16'' Pin Tumbler Keyed Dual Ball Bearing 3Pk The Master Lock No. 3SSTRIHC stainless steel padlock features a 1-9/16 In. (40mm) laminated steel body design, with a tough weather coated finish for maximum strength and reliability. The 9/32 In. (7 mm) diameter shackle is 3/4 In. (19 mm) long and made of stainless steel, offering extra resistance to cutting, sawing, and weather. 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 can trust. Features Body Width : 1-9/16" Lock Material : Laminated Steel Locking Mechanism : 4-Pin Tumbler For indoor and outdoor use USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.