FIRSTINFO F3453A New 3/8 inch Drive Torque Adapter Set, 12 Point Box End, 5/16 to 1/4 inch, SAE, 9 Piece with CR V Construction Blow Case and Mechanic's Tray

【For Torque Calculations】Use with a torque wrench. The adapter features a center-to-center length design to assist with torque calculations when additional length is applied. 【Specification】This 9-piece set includes the following 3/8-Inch Drive 12-Point Box End Torque Adapter Extension sizes: 1/4-inch(NEW), 5/16-inch, 3/8-inch, 7/16-inch, 1/2-inch, 9/16-inch, 5/8-inch, 11/16-inch, and 3/4-inch. 12-point box end allows for fine indexing, helping to improve speed and access. Fits 4, 6 and 12 point fasteners. 【Easy to Reach】Box end thin profile wall thickness is specially engineered to provide strength while still allowing ample room for access to reach difficult fasteners. 【No Damage】Designed with features radius edges which will avoid scratch and other damages. Larger sizes feature thicker construction for strength. Work with your torque wrench or even a breaker bar to correctly torque fasteners located in hard-to-reach places., Weight: 1.5211896078 Pounds, Manufacturer: FIRSTINFO TOOLS