1/8" Hex Socket Key Wrench For Concrete Screw Installation Tool Kit Best Seller the mandrel breaks flush with

the mandrel breaks flush with the head when applied and is set without a special nose piece

Will not harm paint plastic or wood surfaces

Crocus cloth is used for fine polishing of metal surfaces

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Safety: Independently tested and passed FMVSS 212 crash testensuring 60-minute MDAT

1/8" Hex Socket Key Wrench For Concrete Screw Installation Tool Kit Best Seller the mandrel breaks flush withHex keys have hexagonal (six sided) tips that fit into the hexagonal shaped (six sided) indentation in the bolt or screwhead. The hex key is then turned to rotate the faster to tighten or loosen it. The hex key can be L shaped with two arms of unequal length one long and one short. The short end can reach fasteners in tight spaces while the long end extends the reach of the tool. Rotating a fastener using the long end as a handle provides more torque