Check the listing for details. Musclechuck router bit depth setting ring for 12mm Woodworking Router bits. Condition: New. Listed at 11.95 USD. Musclechuck router bit depth setting ring for 12mm Woodworking Router bits This ring allows a precise repeatable depth to be set for router bits used with the Musclechuck. Product Details BrandMusclechuckManufacturerMuscleChuckProduct TypeRouter ColletsMpnMC-SR12mm 12mm shank router bit depth set ringAllows you to quickly remove and replace your router bit at the exact same depth!The extra reach afforded by the Musclechuck (Available seperately) allows you to perform above-table router bit changes in secondsOther Collet available for 3/8", 1/4", 1/8", 6mm, 8mm and 12mm shank bits. All work with the MuscleChuckThis American Made chuck comes in many versions to fit most Routers. Please refure to the accompanying chart to see which type is approparate for your router. Check out my other items. -Powered by