The Klein Tools 12-Piece L-Style Ball-End Hex Key Set features keys that have precision chamfered ends.Their ball ends offer a 25-degree working angle.PRODUCT FEATURES:- L-style hex keys in convenient caddy sets - Includes 12 sizes: .050-Inch, 1/16-Inch, 5/64-Inch, 3/32-Inch, 7/64-Inch, 1/8-Inch, 9/64-Inch, 5/32-Inch, 3/16-Inch, 7/32-Inch, 1/4-Inch and 5/16-Inch - Each set contains a unique locking feature and marked slots for each key - Ball end works on angles up to 25-degrees - Durable caddy keeps hex keys organized - Top-grade alloy steel - Heat-treated and tempered for added strength and durability - Rust and corrosion resistance surfaces - Extra length for hard-to-reach applications