The Master Lock No. 40DPF Discus Padlock features a stainless steel body for maximum strength, reliability and corrosion resistance. The 3/8in (10mm) diameter shackle is 5/8in (16mm) long and made of hardened steel, offering extra resistance to cutting and sawing. The Limited Lifetime Warranty provides peace of mind from a brand you can trust.Features Include: 2-3/4in (70mm) Wide stainless steel lock body resists corrosion Fully shrouded design minimizes shackle exposure and protects against bolt cutter attacks Hardened steel shackle for extra cut resistance Double deadbolt locking for superior pry resistance 4-pin cylinder helps prevent picking Key retaining feature ensures padlock is not left unlocked