The Motion Pro Jumbo Chain Tool is a robust and versatile instrument designed for breaking and riveting roller chains on motorcycles and industrial machinery. It accommodates standard and O-ring chains ranging from 520 to 630 sizes and is capable of riveting chains up to 530 size. The tool includes a master link side plate press kit for chains up to 530, facilitating efficient chain maintenance. Its heat-treated screws and attachments ensure durability, while the extractor pin, guided by a removable fitting, extends the tool's lifespan. The tool can be handheld, clamped in a vise, or bolted to a workbench, offering flexibility during use. When secured to a solid surface, it is compatible with air or electric wrenches for breaking chains. This tool is recommended for heavy-duty applications and is suitable for both professional and personal use.Features: Designed to break roller chains from 520 to 630 sizes Capable of riveting chains up to 530 size Includes master link side plate press kit for chains up to 530 Heat-treated screws and attachments for enhanced durability Extractor pin guided by a removable fitting for extended pin life Can be handheld, clamped in a vise, or bolted to a workbench Compatible with air or electric wrenches when bolted to a solid surface Suitable for heavy-duty use Specifications: Chain compatibility: Standard and O-ring chains from 520 to 630 sizes Riveting capability: Chains up to 530 size Material: Heat-treated steel components Replacement parts: Extractor pin (Part# 08-0D35), Spring (Part# C08-001D)