Klein Tools 32547 Replacement Bit 3/32-Inch and 7/64-Inch Hex Fits all Klein Tools 2-in-1 (67100), 10-in-1 (32477), 11-in-1 (32500) and 10-Fold (32535-32539) Screwdrivers/Nut Drivers Precision-machined tips for exact fit into fastener Contains two (2) bits with 3/32-Inch and 7/64-Inch Hex tips Klein Tools doesn't just make great products, we make great products that stand up to the demands of the professionals who use them every day ... Since 1857.