- Long Arm Ball End Hex Key Set (aka Allen Key Set / Allen Wrenches Sets) - Heat Treated S2 Steel; STRONGER THAN CHROME VANADIUM
- Manganese Phosphate Finish - Corrosion Resistant and MORE DURABLE THAN BLACK OXIDE.
- Ball Hex Ends Permit 25-Degree Entry Angle - Providing Easy Access.
- Long Arm Wrenches - Provide Greater Torque and Extra Reach.
- Precision Chamfered Ends - For Working Ease.
- Meet & Exceed ANSI Standards. Lifetime Warranty