Irwin Speedbor 8-Piece Spade Bit Set IWAX128PC

Blue-Groove point and cutting edge for faster chip removal. Double cutting spurs scribe the outside of the hole reducing breakout. 10% larger shank for added durability. Grooved hex shank prevents slipping in drill chuck or bit extension. Includes Pro Set case made of molded ABS resin with full-length metal hinge pin. Bit identification is simple with easy-to-read size markings. 6″ shank length, 1/4″ shank size. Set includes: 3/8″, 1/2″, 5/8″, 3/4″, 7/8″, 1″, 1-1/8″, and 1-1/2″. No. 341008: Pieces In Set: 8 pcs, Pkg Qty: 8, Package Type: Clamshell