Sizes: 3/8”-1/2”,1/2”-11/16”,11/16”-15/16”,15/16”-1-5/16”,1-5/16”-1-3/4”,1-3/4”-2-1/4”
Parallelism: 0.0004"
Hardened: HRC40-45
Sizes: 3/8”-1/2”,1/2”-11/16”,11/16”-15/16”,15/16”-1-5/16”,1-5/16”-1-3/4”,1-3/4”-2-1/4”
Parallelism: 0.0004"
Hardened: HRC40-45