The Irwin 32 Piece Impact Screwdriver Bit Set is a collection of heavy-duty bits engineered for high torque impact drivers, made from high-grade steel with three times the lifespan of standard bits. The set includes a mix of 25mm and 50mm bits, a 3-inch bit holder, and a moulded ABS resin case for organisation and protection. It is currently reduced from £86.39 to £19.99 at Tooled Up.