Includes: 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32" & 1/4". One-piece loop handle for extra strength. Cushion grip has size marked on the handle and stamped on the throat of the key. Made of 8650 chrome nickel alloy steel drawn to a tolerance of .000/minus .001. Hex corners are sharp and clean. Made in USA.