The Vermont Gage 111202000 Class ZZ No-Go Pin Gauge is a gauge block designed to measure hole sizes within +/-.0002 in.. This Class ZZ pin gage has an overall length of 2 in. and a diameter of 0.0200 in.. Measuring just 0.020″ in width, this cylindrical pin gage is made from steel with a tolerance of +/-0.00020 in.. The Minus no go pin gage has a shape that is cylindrical and features the class designation “ZZ”. If you’re looking for quality measuring equipment, the Vermont Gage 111202000 Class ZZ No-Go Pin Gauge will definitely be worth considering.