Arange of qualitytools for chain maintenance. JUMBO CHAIN TOOL- Designed to break roller chain up to #630 (Fits all standard & O-ring chain sizes #520 to #630) - Designed to rivet chain up to #530 (not #630) - Masterlink side plate press kit included to press on side plates on chains up to #530 (not #630) - Screws & attachments are heat treated for strength & durability - The extractor pin is precisely guided by a removable guide, ensuring long pin life - May be bolted to a work bench, supported in a vice or held by handle - When bolted to a solid surface, air or electric wrenches may be used to break chain - Recommended for heavy-duty use - For riveting hollow nose master links - Great for use with the MP080142 Quad Stake Rivet Kit (not included) to rivet soft-no