Attached with a triple lock blade function (front, side and bottom) and belt clip. The nylon-coated blade has clear black and red metric and imperial graduations, metres into cm/mm and feet into inches, 1/8" and 1/16" on both sides and obvious stud centre markings every 16" all coated in a hard wearing yellow protective cover. The self-aligning end hook assists in providing extremely accurate internal and external measurements. Display packed. Manufactured to EC Class II Accuracy