-Drop Forged Chrome Vanadium Steel
-Heat Treated and Triple Chrome Plated for Extra Durability
-Tapered 6-Point Socket Ends for Easy Access to Nuts and Bolts
-Featuring the Opti-Drive™ System, A Revolutionary Design That Allows You to:
    Apply Greater Torque without Damaging the Fastener or Socket
    Distribute Stress Evenly on the Socket to Prolong its Life
    Reduce Wear and Tear on Socket by Optimizing Flat Surface Contact
    Eliminate Corner Contact, so Fasteners do not Round off
-Lifetime Warranty