Eastwood 10-pc., 3/8"-dr. SAE Hex Bit Socket Sets are built for everyday use. For driving SAE hex screws, you won't find a better sets than these 10-piece set of 3/8"-drive hex bit sockets from Eastwood. Built of fully hardened chrome-vanadium steel for exceptional strength and durability. Chamfered lead-ins allow the socket to slip onto the hex fastener and drive tool easily. Exceeds ANSI Standards.