Diamond 198GRC Description Head Diameter (mm): 1.8 Head Length (mm): 8.0 Grit: Coarse An account is required to purchase on Trihawk. More info Create account Login SKU: 198GRC Categories: Gross Reduction & Spirals, Diamond Burs Tags: gross reduction, taper, GRC Related products Diamond 225-016C Head Diameter (mm): 1.6 Head Length (mm): 6.5 Grit: Coarse Diamond 540-010F Head Diameter (mm): 1.0 Head Length (mm): 4.0 Grit: Fine Diamond 111-014C Head Diameter (mm): 1.4 Head Length (mm): 8.5 Grit: Coarse