Amazon.com: PFERD Bench Grinding Wheel Carbide Type | 7x1x1 inch, vitrified Bond, Silicon Carbide, grit Size 120 | 61793 - for use on Hard Materials, Included bushings 3/4, 5/8, 1/2 inch : Industrial & Scientific
Vitrified Bond Internal Grinding Wheels
3M™ Vitrified Bond Grinding Wheel 92VH | 3M United States
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Oregon Vitrified Grinding Wheel for sharpening Chainsaw Chain for 1/4 in. and 3/8LP in. Pitch Chain OR4125-18A - The Home Depot
225 Dia x 5 Thick x 60mm Bore - PURPLE 54-J -- Vitrified Wheel – Global Tooling & Supply
10x3/4x3, Grinding Wheel, T-1, Vitrified, AZ46-I8-V32A, Premium Blue A/O
225 Dia x 5 Thick x 60mm Bore - BLUE 54-I - USA -- Vitrified Wheel – Global Tooling & Supply