The Pedro's Tutto Chain Tool II was designed with season after season of professional service in mind featuring heat-treated tool steel construction for superior strength and lasting performance, and simple disassembly to make servicing and part replacement easy. Backed by Pedro's lifetime warranty. Premium shop quality chain tool with patented Fit Dial and RPG for superior functionality and reliability Replaceable bridge ensures compatibility with all current chains from single to 13-speed and beyond Peening Bit for Campagnolo 11, 12, and 13-speed chain assembly Includes a premium EVA foam insert for storage Specifications Chain ToolYesDrivetrain SpeedsSingle SpeedDrivetrain Speeds5-7 SpeedDrivetrain Speeds8,9,10Drivetrain Speeds11Drivetrain Speeds12Drivetrain Speeds13