Klein Tools 32482 Replacement Bit, #1 Phillips, 3/16-Inch Slotted for 10-in-1 and 11-in-1 Screwdriver/Nut Driver Fits the 11-in-1 (32500) and 10-in-1 (32477) Screwdriver/Nut Drivers Precision-machined tips for exact fit into fastener Contains 2 bits Made in the USA 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 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.