KSN Measuring Wheel Top-Read Centreline MetricEnhanced grip pistol type handle increases control and comfort. Re set on the handle AND on the unit housing no more bending over, lifting the wheel or stepping on it to reset to zero. Additionally, the re set on the housing is reinforced to protect it when re setting the counter with your foot. Brake on pistol grip stops counting instantly. Stop adding lengths accidentally by putting the brake on exactly when you need it. Collapsing hinge snaps into