CR-3-21, Retaining Nut Posted on February 8, 2024 Andy Zheng Login to see prices SKU: CR-3-21 Categories: CR-3 Rivet Tool Parts, Tool Parts Description Description CR-3-21, Retaining Nut for CR-3 tool Related products RK51-0045 Login to see prices CR-1-26, Rear Cover Login to see prices CR-3-25A, Restore Spring Login to see prices CR-1-28, Washer Login to see prices