which are compatible with most grinders and lock nuts, and are necessary tools for flexible and portable home use Reliable to Use: made of hard steel, the nuts are stronger, more wear , it has good heat dissipation and is beneficial to prolong service life Easy to Replace and Install: use our grinder nuts kit to improve the performance of angle grinder; When replacing, adjust the appropriate width of the grinder wrench to adapt to the grinder nut; Tighten the new external locking nut with the adjustable angle grinder wrench; Then your angle grinder work normally, Manufacturer: Ounfhtrttk