Overview Drive Size: ½″ Square Drive, Making It Compatible With Most Impact Wrenches And Ratchet Handles. Socket Size: 14 Mm Hex Bit—Ideal For Medium-Sized Hex Bolts And Fasteners In Automotive, Mechanical, And Industrial Applications. Length: Typically Around 78 Mm For Impact-Rated Hex Bits, Balancing Reach And Torque Control Material & Build Steel: Made From Chrome–Molybdenum (Cr‑Mo) Steel—Chosen For Its Toughness And Resistance To High-Impact Stress Hardening: Heat-Treated To Prevent Cracking Or Fracturing During Impact Use. Finish: Usually Black-Phosphate Or Black-Oxide Coated To Resist Corrosion And Clearly Indicate Its Impact Rating Design Features Retaining Grooves: Often Includes Pin And O-Ring Grooves Near The Drive End For Secure Attachment To Retaining Pins And Impact Adapters Length-To-Profile: Sufficiently Long (~78 Mm) To Reach Into Semi-Recessed Bolts Without Being Bulky. Performance & Safety Impact-Rated: Engineered To Flex Slightly Under Sudden Torque—Preventing Shrapnel Or Explosive Failure Common In Harder Chrome Sockets 6-Point Design Fits Snugly On Hex Fasteners, Minimizing Rounding And Maximizing Torque Transfer