This Roughneck Tough Tape has the following dimensions: Blade Length: 5m/16ft Blade Width: 27mm The Roughneck Tough Tapes are manufactured to the highest quality, they boast a durable chrome outer casing with a strong metal belt clip. The double sided E-Z Read(r) blade features both metric and imperial graduations. Every 1/8in is marked for easy reading, stud marking every 16in and truss marking every 40cm. Nylon coated for protection against rust and increased longevity. There is a powerful, non-slip brake which holds the blade in position. The double ended magnetic hook makes one person measuring easy and extra comfort has been incorporated with shock absorbing recoil.