Allen Key Socket 6mm 1/2 Inch Drive.

This fits onto the 1/2 inch drive of a hand ratchet.

When attached the allen key socket can be used to tighten or loosen any bolts or fitting that have a 6mm hex-shaped inner.

These types of allen key sockets are not suitable for air driven tools.

Can only be used with hand tools such as small breaker bars and ratchets.