Package includes: 1 wrench, 5 inner nuts, 5 outer nuts Versatile Fit and Compatibility –These Grinder Shaft Nut, fit 4-1/2",5" and 7" Grinders Those Have a 5/8"-11 Threaded Shaft(NOT FIT FOR 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-Original Aftermarket parts, please check the size and comptibility before purchasing.