Physically these are identical to standard sockets except for the black coating. Under the skin they are specially hardened to resist the high torque forces and vibration from manual impact screwdrivers and powered impact wrenches.

Impact Socket Set 1/2 Inch, ginour 20PCs Drive Master Deep Impact Socket Set 8mm - 24mm, Metric, CR-V, 6 Point, with 3pcs Drive Impact Extension Bar Set 3",...
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