The DeWalt DT70704-QZ 47pc Screw Driving Set including safety glasses and a tough case features every screw-driving bit you could need for most professional and DIY work whether on-site or at home. Including both long and short bits with hex shanks, this bit set is impact rated for use with impact drivers. The bits are heat treated for a longer lifespan and the set includes a compact Rapid Load bit holder which features a floating magnetic ring to hold screws in place when used with a 25mm screwdriver bit and can also be used as a standard quick change accessory holder accepting any 1/4" accessories. Features and Benefits: Robust Tough Case for safe storage The accessories are Impact Rated for use with Impact Drivers Fits the DT70716 T-stak Caddy Additon of the Tstak Caddy makes this set compatible with the TSTAK� storage system for easy in-van and workshop storage.