Shop › CMART C0403 PHILLIPS 6.35MM-1/4 INCH PH1 DIA 4.5 50MM CMART C0403 PHILLIPS 6.35MM-1/4 INCH PH1 DIA 4.5 50MM ₱19.00 Upgrade your toolkit with the CMART C0403 PHILLIPS PH1 Screwdriver Bit. Featuring a durable 6.35mm (1/4 inch) shank and a 50mm length this high-quality PH1 bit is perfect for a wide range of tasks. Get yours today and experience superior performance and precision! Purchase Added! Upgrade your toolkit with the CMART C0403 PHILLIPS PH1 Screwdriver Bit. Featuring a durable 6.35mm (1/4 inch) shank and a 50mm length this high-quality PH1 bit is perfect for a wide range of tasks. Get yours today and experience superior performance and precision!