The body is manufactured from solid brass and is sealed with a shock absorbing material designed to protect the cylinder against water and dirt. It features a precision steel tumbler cylinder with a stainless steel shackle. Where to use it: Medium security requirement in severe weather and environmental conditions Ideal for securing to vehicles and boats Overall width: 53 mmOverall height: 73 mmOverall depth: 28 mm Shackle width: 20.5 mm I.D.Shckle height: 24.5 mmShackle Dia: 8 mm