Timber Tuff gives you the ideal way to sharpen your chainsaw chains with the Timber Tuff 3/16 in. Grinding Wheel CS-BWM316 for the Timber Tuff CS-BWM Chainsaw Chain Sharpener. This grinding wheel replaces the wheel in your Timber Tuff CS-BWM to keep your chains sharp and accurate. This grinding wheel measures 3/16 in. thick and is 5.6875 in. in diameter with an arbor hole of 7/8 in. Constructed of high-quality aluminum oxide, this grinding wheel allows for quick and easy sharpening of your chainsaw chains. Timber Tuff's grinding wheels are pre-shaped for easy use and for a perfect fit right out of the box, saving you time and hassle. The long-lasting and heavy-duty wheels are designed to give you an excellent cutting edge for your chains to help keep your chains performing well. The grinding wheel is perfect for professional and personal use and is the reliable choice in grinding wheels.