Irwin 1923413 150mm Extension Bar for Impact Screwdriver BitsThis Irwin Extension Bar is engineered for use with high torque impact drivers. It features a patented jaw design for compatibility with all 1/4 inch hex shank accessories. The quick-change shank is designed to prevent slipping in standard drill chucks.Features Patented jaw design compatible with all 1/4 inch hex shank accessories Quick-change shank designed to withstand slipping in standard drill chucks Engineered for use in high torque impact driversSpecifications Brand: Irwin MPN: 1923413 EAN: 5706919234134