Wera Tools - Bit-Safe 43 Universal 143 piece; robust textile box with bits for universal applications. 1 universal holder 899 4 1 with stainless sleeve, retaining ring and strong permanent magnet for insertion in the power screwdriver or for use in the chuck of the electric drill. Features The Bit Safes in textile box convince due to their functionality in a minimum of space Bits with Torsion design (T) against premature wear Universal holder with stainless sleeve Tough viscous bits for