Slider bracket and round 2" clamp bundle. When mounting your Wet Sounds Stealth Sounds Bar, getting the right size clamps is very important. When dealing with the vibrations and bumps of the water and the trails, a secure mount is crucial for safety and the longevity of your Stealth. When using any Wet Sounds Stealth clamps, you also need the Slider Bracket to bolt them on to, so we included it in this package for your convenience. Unsure of the diameter of your round roll bars or frame? You can use this print-out to measure. Just make sure your printer is not set to scale-up or adjust the size of this sheet at all. Click Here To Download Pipe Ruler.