Wera bit safe 43 universal 1 comprehensive standard bits and holder set in pouch for drilldrivers with stainless holder is designed for compact and organized tool storage included are 25mm and 50mm direct drive torsion tz bits utilising a unique combination of special material hardening and precision manufacture torsion bits are designed to prevent premature wear for improved service lifeextra tough z bits are suited to hard metal jointing threaded fasteners and general use including