Engine/Cutting tool/632225 SCREW PLATE SET UNIFIED COARSE, #OK37-1/2 1/4 TO 1 22PCS/SET

Type：for unified coarse threading with one tap and one round split die for each size；Size：OK37-1/2, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 3/4, 7/8, 1, die diam. 50mm, 22's/set