The Stanley PowerLock® BladeArmor Pocket Tape has a curved steel, Mylar coated steel blade with metric graduations. That is up to 10 times more resistant to abrasion than normal lacquered blades. The first 100mm of the blade is reinforced with BladeArmor® coating for maximum durability and reduced blade breakage. Tipped by a super-strong 3 rivet, automatically adjustable tru-zero end hook. Supplied in a high-impact, chrome plated ABS plastic with a smooth, quick-grab auto-locking mechanism and a conventional steel belt clip.