Includes: .050", 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 5/16" & 3/8". Turns 360 degrees at up to 25 degree angle. Extra torque 8650 chrome nickel alloy, heat-treated for maximum strength. Black oxide finish to resist rust. Made in USA.