XLSelector Torsion, mixed, with a 1/4" ratchet for bits, 17-piece set. Housing: Bitbox made of high-quality plastic ensures easy removal of bits and ratchet. Bits: Z and ZOT 25 mm bits. Geometry: Patented torsion zone protects against premature bit breakage under load. Handle: Universal 1/4" magnetic handle. Application: Universal assortment for all types of screw connections in crafts and industry. Expanded range of applications thanks to the practical bit ratchet. Additionally: Universal 1/4" handle can serve as an extension.