Proto J52228 57 Piece 12 Point 3/8" Drive Metric Socket Set

57-Piece TorquePlus Metric Socket Set with the most popular accessoriesHelps minimize fastener rounding and extends fastener lifeTurns worn, rounded and rusted fasteners more easilyEngages to the fastener flats, not the cornersMinimizes slippage Socket Set, Metric, Drive Size 3/8 In., Number of Pieces 57, Standard Tool(Accessory Needed for Tethering), Finish Full Polished, Sockets Included Standard-6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22mm, Deep-6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19mm, Universal-9, 10, 11, 12, 13, 14, 15mm, Hex-4, 5, 6, 7, 8, 10mm, ScrewDriver Bit-#2, 3, 4 Phillips, and 1/4 In. Slotted Includes: Ratchet, Ratchet Adapter, 3, 6, & 12" Extensions, 7-7/8" Hinge Handle, (1) Universal Joint, 16-7/8" Speed Handle, Sliding T-handle, (10) Bit Sockets, (7) Universal Socket, (31) Socket From the Manufacturer All Proto hand sockets incorporate the TorquePlus wrenching system. The TorquePlus design is a high performance drive configuration which allows for quick and easy socket engagement to the fastener flats, not the corners. The configuration employs a radius-corner design, shifting contact area and stresses over a large area of the socket, minimizing slippage. The internal design of the TorquePlus minimizes fastener rounding, helps to extend fastener life, and allows the user to more easily turn worn, rounded, or rusted fasteners. Set contains: Sockets (6mm-22mm), Deep Sockets (6mm-19mm), Universal Sockets (10mm-15mm) and accessories. Set does not include tool box.