The Master Lock No. 1550DAST Set Your Own Combination Padlock features a 1-7/8in (44mm) wide metal body for durability. The 1/8in (3mm) diameter shackle is 1-1/4in (32mm) long and made of metal, offering resistance to cutting and sawing. The 3-digit combination offers keyless convenience. The bright metallic colors simplify identification. The Limited Lifetime Warranty provides peace of mind from a brand you can trust.