Package Include:1 x adjustable locknut spanner and 3 sets of internal and external angle grinder nuts. High Material:Made of spring steel with blackened surface, sturdy and wear-resistant, not easy to corrode and rust. Design:Adjustable design, easily sized by turning the knob in the middle of the spanner, the Adjustable Grinder Wrench is compatible with most grinders and locknuts for flange nuts of all sizes.Handle, ergonomic, easy to grip, not easy to slip. Application:These grinder shaft nuts, fit 4-1/2‘, 5’ and 7‘ grinders with 5/8’-11 bores (does not fit Milwaukee 4-1/2‘’). Compatible with Dewalt, Ryobi, Makita, Milwaukee, Bosch Hitachi Metabo Black & Decker grinders.Dewalt DW400, DW4011, DW4010, DW849, D28402, Makita 9005B, 9015A/B, 9015DB, 9016DB, etc., Replacement for Makita 224399-1, 193465-4, 224568-4. non-genuine aftermarket parts, please check for size and compatibility before purchasing. Easy to use: to replace, adjust the appropriate width of the grinding spanner to fit the grinder nut and tighten the new outer locking nut with an adjustable angle grinder spanner. Material:Made of spring steel with blackened surface.Attention: 1. please keep them away from little kids; 2. If you receive a defective product or have any problems about item, please feel free to contact us, we will help you as soon as possible.