Kawasaki ZX6R 2005-08 Woodcraft 10mm 2 Step Swingarm Slider Spools Make the most of your rear stand!! Woodcraft swingarm spools are designed wide for easy stand location with raised lips on their outer edges for security. Your stand will work even better when coupled with these spools. These spools are made from solid black delrin and have a fully supported Aluminum core to give them extra strength Photo does not show step spacer, which is included in this package.