Quality set features chrome vanadium sockets in 1/4in. and 3/8in. drive sizes. You get standard and deep well SAE sizes as well as standard and deep well metric sizes. One 5/8in. spark plug socket, quick-release ratchet handle and 3/8in.F x 1/4in.M adapter. Plus slotted and Phillips bits, hex bits, Robertson bits and Torx bits.Drive:1/4, 3/8 in.Pieces: 74 qty.Point Size : 6 and 12 qty.Handles :(1) Spinner Handle (1/4in. Drive), (1) Quick Release Ratchet Handle (3/8in. Drive) qty.SAE Standard Socket Size - 1/4in. Drive: (10 - 6 pt.) 5/32 through 1/2, (9 -12 pt.) 3/16 through 1/2 in.SAE Standard Socket Size - 3/8in. Drive: (8 - 6 pt.) 3/8 through 13/16 in.SAE Deep Well Socket Size - 3/8in. Drive : (4 - 6 pt.) 3/8 through 9/16 in.Metric Standard Socket Size - 1/4in. Drive: (12 - 6 pt.) 4 through 13 in.Metric Standard Socket Size - 3/8in. Drive:(10 - 6 pt.) 10 through 19 in.Metric Deep Well Socket Size - 3/8in. Drive: (4 - 6 pt.) 10 through 14 in.Spark Plug Socket Size: (1) 5/8 (3/8in. Drive) in.Bits: (1) Bit Adapter (1/4in. Drive), Slotted, Phillips, Hex, Robertson, Torx qty.Adaptors : (1) 3/8in. Drive to 1/4in. Drive qty.