TEKTON 3/4-Inch Drive Impact Socket Set, Inch, Cr-V, 6-Point, 3/4-Inch - 2-Inch, 21-Piece | 4899 High-performance chrome vanadium steel sockets can be used with impact wrenches High-torque, 6-point sockets grip flat sides of fasteners, not corners, preventing round-off 18 inch, 24-tooth, oval-head ratchet with quick-release drive tang locks onto sockets 18 inch sliding T head breaker bar loosens frozen fasteners Meets or exceeds ANSI performance standards