Padlock application: Ideal to secure gates, sheds and garages in outdoor environment Maximum protection: padlock has solid Brass body for superior corrosion resistance and a tough-cut octagonal boron-carbide shackle with shrouded feature for maximum cut resistance High security application: resettable 4 digit combination for keyless convenience, set and reset your combination allowing thousands of personalized combination code options without any reset Tool Durable design: padlock has a double deadbolt locking for added protection from prying and hammering. Large ergonomic dials with exclusive blind dial feature and covered keyway and shackle seals for added weather protection Specifications: features a 58mm wide lock body with a 10mm diameter shackle that is 28mm long, Weight: 1.10010668738 pounds, Manufacturer: Master Lock