Jumbo Chain Tool 08-0135Jumbo Chain ToolDesigned to break roller chain up to #630 (fits all standard and O ring chain sizes #520 to #630) and to rivet chain up to #530 (not #630) Master link side plate press kit included to press on side plates on chains up to #530 (not #630) When bolted to a solid surface, air or electric wrenches may be used to break chain May be bolted to a work bench, supported in a vise or held by handle Great for use with the Quad Stake Rivet Kit