Standard Carbide 331 Description Head Diameter (mm): 1.0 Head Length (mm): 2 Overall Length (mm): 19.5 An account is required to purchase on Trihawk. More info Create account Login SKU: FG 331 Categories: Standard Carbide Burs, Pear Related products Standard Carbide 57 Head Diameter (mm): 1.0 Head Length (mm): 4.2 Overall Length (mm): 19.5 Standard Carbide 1/2 Head Diameter (mm): 0.6 Head Length (mm): 0.6 Overall Length (mm): 19.5 Standard Carbide 35SS Head Diameter (mm): 1.0 Head Length (mm): 1.0 Overall Length (mm): 16.5