4 Piece, Wood Bit Speed Feed Set, Includes 1 Each Of The Following: 1/2" Speed Feed Wood Bit, 5/8" Speed Feed Wood Bit, 3/4" Speed Feed Wood Bit 1" Speed Feed Wood Bit, Made For Drilling Fast Holes In Clean Wood, The Double Wing Spurs Cut Clean Holes For Feeding Wire Or Bolts Through, & The Feed Screw & Dual Cutting Edges Provide Up To 10 Times Faster Drilling Verse, Flat Boring Bits, Skin Carded Packaging.