The Carbyne 18-Piece Extra Long Hex Bit Socket Set is a comprehensive set of sockets designed for automotive use. With both SAE and metric sizes included, this set caters to a wide range of vehicles. The extra long design allows for better access to hard-to-reach areas, making it a valuable tool for mechanics and automotive enthusiasts. The Carbyne brand ensures quality and durability, making this set a reliable choice for any project involving nuts and bolts. 3mm to 10mm and SAE Sizes 1/8 to 3/8 inch. Made from S2 alloy steel for durability and precision fit.