Standard Carbide 4 Description Head Diameter (mm): 1.4 Head Length (mm): 1.4 Overall Length (mm): 19.5 An account is required to purchase on Trihawk. More info Create account Login SKU: FG 4 Categories: Standard Carbide Burs, Rounds Related products Standard Carbide 171 Head Diameter (mm): 1.2 Head Length (mm): 4.2 Overall Length (mm): 19.5 Standard Carbide 58 Head Diameter (mm): 1.2 Head Length (mm): 4.2 Overall Length (mm): 19.5 Standard Carbide 556 Head Diameter (mm): 0.8 Head Length (mm): 4.2 Overall Length (mm): 19.5