Spyder Stinger 14 Piece Assorted Woodboring Spade Drill Bit Set Hercules Battery System or flip to a solid Item Weight:4.5 oz or flip to a solid field for a sleek home gym Each 6 in x 36 in plank features an embossed texture the Spyder stinger(TM) thread point won't clog and it won't wander making you more productive Impact rated for use in battery powered impacting tools 1 4 In speed hex won't slip in the chuck and fits quick change impact drivers Black oxide finish provides increased durability and lubricity 14pc kit contains: 1 4 20x faster than conventional spade bits 10x more holes than conventional spade bits Spyder stinger(TM) automatically engages the work surface for no thrust drilling Unlike other spade bits with a self feeding thread point