Walter Surface Technologies is proud to introduce the first real innovation to Abrasive Grinding and Blending wheels in many years… SPIN-ON. This new revolutionary quick mounting system turns a standard ¼ inch grinding wheel into a 5/8-11 threaded wheel saving time and money for the end-user customer. Benefits: Quick and easy wheel change saves valuable time during change out. Wheel is perfectly centered on the tool insuring additional safety for the operator Strong composite polymer material absorbs vibration for better control Eliminates the need for a spanner wrench Saves time and money for the operator