GearWrench 110 Piece 1/4 Inch; 3/8 Inch & 1/2 Inch Drive 6 & 12 Point Standard & Deep SAE/Metric Mechanics Tool Set

Interchangeable head with square interface;Torque accuracy of +/- 3% CW in the upper 80% of wrench capability delivers high performance;9mm x 12mm adapter size;Enclosed ratchet head design resists dirt infiltration for continuous and efficient execution;Scale markings are highly visible and easy to read