ITEM NO: IAAC series High impact resistant ABS case with soft grip Nylon coated steel tape for maximum Corrosion Protection & Wear Resistance Shock-Absorbing blade return bumper Double locking system, Pause button allows blade to be stopped in any position Self-aligning end hook for very accurate internal/external measurements Decimal in red marking Scale in Metric size only Measuring accuracy according to EC accuracy class Ⅱ