The Wera Bit-Check 30 Metal is a general purpose bit set for drill/drivers with stainless holder is designed for compact and organised tool storage. Extra-tough (Z) bits are suited to hard metal jointing, threaded fasteners and general use. With a slim stainless universal bit holder with ring retention for insert and power bits. Wera bit-checks feature a compact design to safely store bits in a case that provides fast and easy tool selection. So slim it can fit into your pocket. Sorted by drive and size, the tools are easy to locate and return to proper position, making missing products easy to identify. For use with drill/drivers only (for impact machines use impaktor range). Contains the following: 8 x 25mm Phillips Bits: PH1(3), PH2(3) & PH3(2). 9 x 25mm Pozi Bits: PZ1(3), PZ2(3) & PZ3(3). 6 x 25mm Torx Bits: TX10, TX15, TX20, TX25, TX30 & TX40. 3 x 25mm Slotted Bits: 0.6x4.5mm, 1.0x5.5mm & 1.2x6.5mm. 3 x 25mm Hex Bits: 4, 5 & 6mm. 1 x 50mm 1/4in Universal Bit Holder.