Ball driver L-wrenches are manufactured from fully hardened carbon steel in accordance with DIN 911. A quality ductile key with precision cut ends and a long arm end is ball drive and short arm end plain. Features and Benefits Supplied in a plastic storage clip to keep the keys together and safe Accurate AF dimensions to ensure maximum socket contact Ball end allows up to 30 work offset Black oxide finish protects against corrosion and wear and tear Contents 7 Piece Set: 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16" 9 Piece Set: 5/64", 3/32", 1/8", 5/32", 3/16", 7/32", 1/4", 5/16", 3/8" Typical Applications Bicycle Repair and Maintenance Assembly Standards DIN 911