General description The WERA Bit-Safe 057450 43 Universal 1 Comprehensive Standard Bits & Holder Set is an essential toolkit for any DIY enthusiast or professional. This set includes a universal magnetic bit holder and a wide variety of torsion style bits, designed for durability and efficiency in various applications. Technical specifications Universal magnetic bit holder with stainless steel sleeve 42 torsion style bits Bit lengths: 25 mm and 50 mm