Nut Buster 1

The Nut Buster 1 is a castle nut wrench made from 6061 billet aluminum. Its design allows it to fit into tight spaces, with an allen wrench used to tighten or loosen the castle nut through the holes along the edge.

The Nut Buster has been tested on castle nuts from various countries and has been found to work on 90% of them. Regardless of size, most castle nuts can be tightened or loosened with the Nut Buster.