Senco ORGL77329 DuraSpin Phillips Replacement Screwdriver Bit Set, 2 Pieces, 6 in Length Philipps Replacement This is made of steel This is manufactured in Taiwan DuraSpin Screwdriver Bit Set, Phillips Replacement, Series: EA0314, 6 in Length, 2 Pieces, Suitable For Use With: DS440-AC Auto-Feed Screwdriver, Steel, 1/4 in Shankk