DIN2269 Ceramic pin gauge wear-resistant bore measurement
-Similar coefficient of thermal expansion to steel , it can be used for measuring steel parts
-The nominal sizes printed in black are clearly seen against the white surface
-Diameters range from 1mm to 20mm with the smallest interval of 0.01mm
-fine ceramics zirconium dioxide
-Meet different standard
Specification:
GB-3241 41 pcs