A unique multi-piece tool for the removal of broken/ stripped inner cap nuts and spoke wheel studs. Eliminates the need to buy an entire new tool when the teeth wear.replace only the low cost rib nuts. The teeth of the rib nuts will wear out after limited use, therefore, rib nuts are not covered under the Gp warranty. CAUTION: Hammer on rib nut only when it's inside the drive-on tool. Do not hammer on it separately. 1-1/8 inch Inner Cap Nut and 5/8 inch and 3/4 inch Wheel Stud Removal Kit.