Aftermarket retainer nut and blade removal wrench suitable for all CRANDDI blender and compatible with Vitamix Helps to remove the retaining nut for easy blade replacement For use on 15mm diameter retaining nuts Fits: all CRANDDI models, K90, K95, K98C, K80, YL-010. Fits: all Vitamix models, Vitamix 5000, 5200, 5300, 6000, 6300, Vitamix 300, 750 or 7500, Vitamix 32 oz or 48 oz containers, Vitamix standard 64 oz containers. Blender Wrench, Retainer Nut and Blade Removal Tool for CRANDDI K90, K95, YL-010, K98C, Compatible with Vita-mix Wrench, Black