52-PIECE SOCKET SET – This complete set of sockets is made of drop-forged steel with a chrome vanadium finish for a consistently accurate fit and long-lasting durability. The sturdy carrying case allows for easy organization and retrieval. METRIC SOCKETS INCLUDED – This home improvement or mechanic tool set includes 1/4 sockets (4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 12, and 13 mm), 3/8 sockets (14, 16, 17mm), and 1/2 sockets (10, 11, 12, 14, 15, 16, 18, 19, 20, and 22mm). STANDARD SOCKETS INCLUDED – The tools set comes with 3/8 sockets (9/16, 11/18, and 3/4-inch), 8-point 1/4 sockets (1/4, 5/19, and 3/8-inch), and 1/4-inch sockets (1/2, 15/32, 7/16, 3/32, 3/8, 11/32, 5/16, 9/32, 1/4, 7/32, 3/16, and 5/32-inch). ADDITIONAL ACCESSORIES – The set also includes a 3/8 drive 5/8 (16 mm) spark plug socket, 3/8 drive 13/16 (21 mm) spark plug socket, extension bar 3/8-inch drive (70mm), 3/8 to 1/4-inch bit adaptor, spin disk 3/8-inch drive, and 1/4 drive spinner handle. PRODUCT DETAILS – Materials: Chrome Vanadium Steel and Blow-Molded Polypropylene. Dimensions: 8.5" Ratchet - (1/2" Head); 7.25" Ratchet - (3/8" Head"); Case - (L) 16” x (W) 2” x (H) 7.5”. 52-Piece 1/2, 3/8, and 1/4 Socket Set.