"This Oregon 4 1/8in. diameter grinding wheel leaves a precision finish on saw chain and work with our Oregon Mini Grinders Item#s 19301 and 193061. Single grinding wheel included. Bore Diameter in. 7/8, Chain Pitch in. 1/2, Wheel Diameter in. 4 1/8, Product Type Grinding wheel. For 1/2in.-pitch chains 7/8in. shaft diameter 1/4in. wheel thickness"
Customer Questions & Answers: