3/8" Drive 6‑ Point SAE Impact Socket Set w/ Standard Socket Adapter. Includes 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 7/8" Impact Sockets and 3/8" Drive x 1/4" Hex Shank Socket Adapter. Black oxide coated to resist corrosion for longer socket life.