FeaturesDesigned 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 chainMay be bolted to a work bench, supported in a vise or held by handleGreat for use with the Quad Stake Rivet KitRecommended for heavy-duty useSpecs for Chain Size: 525 Riding Style: Off-Road Type: Break Type: Rivet Application: Roller Chain Color/Finish: Black for Chain Size: 400 for Chain Size: 420 for Chain Size: 50 Product Name: Chain Breaker Riding Style: Adventure Touring / Dual-Sport Riding Style: UTV for Chain Size: 415 for Chain Size: 428 for Chain Size: 500 for Chain Size: 630 Riding Style: Street for Chain Size: 520 for Chain Size: 530 for Chain Size: 532 Riding Style: ATV Units: EachApproximate Package Weight & Dimensions Weight: 2.31 Height: 2.24 Length: 7 Width: 2.44