Key Features Size & Geometry Precision 4 Mm Hex Bit Ideal For Metric Hex Screws. Features A Ball‑Point Tip That Allows Engagement At Angles Up To ~25–30°, Making It Easier To Work In Awkward Or Tight Spaces Ergonomic Grip T‑Shaped Multi‑Component Handle Designed For Comfort, Enhanced Grip, And Fast Turning—Reducing Hand Fatigue During Extended Use . Robust Construction Made From Durable, Tempered Chrome‑Molybdenum (Cr‑Mo) Or Chrome‑Vanadium (Cr‑V) Steel, With A Precision‑Hardened Black Tip For Optimal Fit And Corrosion Resistance . Practical Length Typical Long‑Arm Length Of Around 100 Mm, Striking A Good Balance Between Reach And Control . Why It Stands Out Angle Access: The Ball‑Point Tip Lets You Apply Torque And Drive Screws Even When The Key Isn’T Perfectly Aligned—Especially Useful In Confined Spaces. Comfort & Control: Ergonomic T-Handle Allows Both Fast Hand‑Tightening And High‑Torque Turning Via The Short End. Precision Fit & Durability: Hardened Tip And Corrosion Protection Mean Consistent Performance And Long Tool Life—Even Under Heavy Workshop Use.