Description R2 x 2" A2 Power Bit (10-PC) | Case of 100 | JETSave Big when you buy case lot 100 per case. Only $13.29 per EACH!. A2 Steel bits are dual heat treated for greatly increased tensile strength Allows for more consistent edges and up to 50% greater life than S2 bits Heat treated to HRC 58-62 Available in various package quantities and lengths to suit any need 1/4" hex shaft fits ball retainer and regular style chucks Canada's strongest and longest lasting bits Length: 2" Tip Size: R2 Type: Square