Resettable Combination Padlock The lock includes set your own combination convenience, without the need for a reset tool. The Lifetime Guarantee provides peace of mind from a brand you can trust. The 3/8” (10 mm) diameter octagonal shackle is 1-1/2” (38 mm) long and made of Tough-Cut boron-carbide, 50% harder than hardened steel, offering maximum resistance to cutting and sawing. Extra Long Shackle Combination Lock Set Your Own Combination Padlock 646D | Master Lock – Master Lock Master Lock Style Padlock Master Lock 2 In Resettable Combination Padlock W/ Shrouded Shackle (solid Brass) ^ 2 Width ^ .31 Dia Shackle ^ Hardened Shackle ^ Set-Your-Own Combo ^ 4-Digit Dial ^ No Reset Tool Required ^ Pkg Of 1 ^ 4-Digit Dialing ^ Proseries® Shrouded Octagonal Boron-Alloy Shackle ^ Deadlocking ^ No Reset Tool Necessary ^ No Reset Key; Simple Shackle... 2 inch (51mm) Wide zinc body with reinforced body bumper for scratch resistance M175BLCDLFHC Solid Body Padlock features a 2” (51 mm) wide zinc body for strength and reliability. Master Lock 1.375 In TSA-Luggage Lock with Flex Shackle Numeric Comb, 1 ct - Smith's Food and Drug 1-1/2 inch (38mm) Shackle clearance for more uses