Smart Grinder-5 x Belt Grinder Small Wheels Set Include Holder for Knife Making

Smart Grinder- Belt Grinder Small Wheel Holder Set Include Holder- Knife Making The distance between the mounting holes is 55 mm. And the hole diameter is 11 mmSet Includes the following wheels dimensions:12 mm Diameter15 mm Diameter20 mm Diameter25 mm Diameter30 mm DiameterWorking surface of the wheel 65 mm wide made from polished Steel.thank you