... hole size. Tolerance:H7,h7,x,y,z... Cylindrical Reversible Pin Type Gauges: Used for gaging the diameter of rod or internal ... ,z... Size: 0.5mm to 20mm, or 0.03" to 1.51", or customer sized.Quality tools, best prices, sooner delivery ... , we will response you at the first time! Cylindrical Reversible Pin Type Gauges