Magnetic Screw Hold Bit Set Irwin - - IRWIN Tools IMPACT Performance Series Double-Ended Screwdriver Power Bit, TORX, 2 3/8-inch Length, 5-Piece Set With Magnetic Screw Hold Attachment (1903522 DoubleClick Technology Bits 1/4 quick-change shank is designed to work with impact drivers and reduces slipping in standard drill chucks 6 in1 Double-ended Multi-purpose Screwdriver Set They're manufactured with heavy-duty, cold-forged, high-grade steel to withstand high torque output and a black oxide finish that resists corrosion and increases the life of the bit. Irwin Impact Performance Series Torx T30 X 1-15/16 in. L Power Bit 3 Packs of 2 $9.79 Free shipping Built for maximum durability and long life with impact drivers ensures both ends of bit lock securely in impact drivers and quick-change chucks, enabling use of two tips from one bit Precision tip geometry delivers superior fitment, reducing stripping and cam-out Power Groove designed for compatibility with IRWIN Impact Performance Series Magnetic Screw-Hold Attachment In fact, they're engineered for maximum durability and long life with impact tools. The bits are designed with precision tip geometry so they fit fasteners more precisely, which reduces stripping and cam-out. Built for maximum durability and long life with impact drivers Power Groove designed for compatibility with IRWIN Impact Performance Series Magnetic Screw-Hold Attachment