The Master Lock 175LHEC2 Set Your Own Combination Padlocks feature a 2in (51mm) wide solid body for strength and reliability. The 5/16in (8mm) diameter shackle is 2-1/4in (57mm) long and made of hardened steel, offering extra resistance to cutting and sawing. The 4-digit dialing allows for thousands of possible numeric combinations. Includes two set your own combination padlocks. The Limited Lifetime Warranty provides peace of mind from a brand you know and can trust. Indoor and outdoor lock is best used as a gate lock or shed lock for protection and security from theft; extra long shackle for application flexibility Set your own four digit combination lock for easy combination recall; combination change tool included Combo lock is constructed with a solid body for strength and weatherability, hardened steel shackle for cut resistance 2 in. (51mm) wide lock body; 5/16 in. (8mm) diameter shackle with 2-1/4 in. (57mm) length, 1 in. (25mm) width Includes two set your own combination locks Shackle is preset to open on 0-0-0-0; see user manual for combination reset instructions