The Wera Bit-Check 10 Universal 3 SB All-round Torsion bit set with Rapidaptor is designed for compact and organised tool storage Torsion TZ bits are designed to prevent premature wear for improved service life Extra-Tough bits are suited to hard metal jointing threaded fasteners and general use The RAPIDAPTOR Universal bit holder with quick-release chuck offers press-in auto-lock and rapid one-handed bit changes for insert and power bits The holder spin sleeve allows the steadying of the screwdriving Wera Bit-Checks feature a compact design to safely store bits in a case that provides fast and easy tool selection It is so slim it can fit into your pocket Sorted by drive and size tools are easy to locate and return to proper position making missing products easy to identify This set of 7 contains 1 x 14in x 52mm Rapidaptor Universal bit holder with quick-release chuck 3 x 25mm Slotted Torsion TZ bits 55x08mm 55x10mm 65x12mm 3 x 25mm Phillips Torsion TZ bits PH1 PH2 PH3 3 x 25mm Pozidriv Torsion TZ bits PZ1 PZ2 PZ3 Ideal for use with drilldrivers; for impact machines use IMPAKTOR