Rotary 4230 Grinding Wheel 4" X 1/8" by Rotary Original price $22.85 Current price $12.46 Sold out 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out PRODUCT INFORMATION Type Wheel PRODUCT DESCRIPTION DESCRIPTION Fits Bell, Nielson. Chain Pitch: 1/4", .325", 3/8", mini. SPECS C. H. DIA 3/8" DIAMETER 4" THICKNESS 1/8"