Package includes (2) 6mm spool sliders for use with rear swingarm stands. Compatible Yamaha models: YZF R6 (1999-Present), YZF R1 (1998-Present), V-Max (2009-2010). Compatible sport bikes: Aprilia and Triumph 675. Includes spool attachment hardware. High quality smooth CNC machined black Derlin provides additional swing-arm protection on low side turns.