Get all you need for your next diy job with this comprehensive set it includes bits for screwdriving drilling and wrenching in a host of different materials ideal for drilling different sized holes into wood metal and masonry and tightening and fastening different screws and bolts 46 drill pieces 96 screwdriver pieces includes 150 accessories including hss masonry and wood drill bits screwdriver bits socket drivers and allen keys carry case additional features handy bits set s