All Steel Cross Bit Diameter: 38-89mm Thread: R25, R32, R38, T40 All Steel Cross BitDiameter: 38-89mmThread: R25, R32, R38, T40Dia.ThreadWeight(kg)Item No.mminch381 1/2R250.25GS38-R25431 11/160.31GS43-R255120.38GS51-R25642 1/20.65GS64-R25451 3/4R320.33GS45-R325120.4GS51-R32572 1/40.55GS57-R32642 1/20.7GS64-R327631.2GS76-R32763R381.2GS76-R38893 1/2T401.5GS89-T40