The Irwin 17pc 4X Blue Groove Flat Bit Set is just what carpenters, kitchen fitters and DIY enthusiasts need. This set includes 17 flat bits that will cut yet not scrape the timber and workpiece you are working on. They have an increased relief angle from 12° to 17° and the parabolic scoop optimises control and removal of wood chips. Also the shank is 152mm in length and 10% larger in diameter for extra resilience. This product is sold as a 17 piece set in a nylon carry case.
Makita Impact Black Drive Adaptor 1/4" hex shank with Torsion zone. For Use With Impact Drivers. Black Coating Prevents Rusting. High Durability With Longer Life Than Standard Bits. (1/4" hex to 1/2" Square Drive).