9/64”; Length: 4.0” Long Arm Balldriver Hex Key is plated in 14K Gold for the ulimate in corrosion protection. The Gold Colored finish also helps disitnguish your tools from others. Perfect for a marine or other damp environment. Sold individually for the special application or replacement of a lost wrench. Lifetime Guarantee.
- Chamfered tool tips eliminate burrs and help tools seat in screw head
- Sharp corners transfer more torque to the screw and reduce strippin
- Precision machined for ease of use and superior fit