tape automatically locks in any position as it is extended large, comfortable thumb button releases and retracts tape tough stainless steel housing with non-slip rubber grips low glare tape blade is easy to read in a variety of lighting conditions triple-rivet sliding end hook for accurate inside and outside measurments inch scale: 1/32 in. graduations first 6 in. graduation throughout metric scale: 1 mm graduations throughout diamond markings every 19.3 in. evenly divide 8 ft sections
