They measure the opening, slot width, hole diameter, etc Rear diameter correction table (only for 4833-1, 4833-2) Made of stainless steel

4 pcs included (1-8mm, 8-15mm, 15-22mm, 22-29mm) They measure the opening, slot width, hole diameter, etc Diameter correction table on the back...

For quick measurement of width from gaps Chrome-plated reading surface Made of stainless steel.