The Eklind Steel Handle Fold-Up Hex Key Allen Wrench 9-Piece Set, SAE Inch Sizes .050 to 3/16 meets the most stringent requirements of professional mechanics, tradespeople, do-it-yourselfers, and hobbyists. Crafted from premium chrome-nickel alloy steel, this durable set offers long-lasting performance for various fastening tasks. Beveled key ends allow easy insertion into screws, enhancing efficiency and ease of use.