Standard Carbide 58 Description Head Diameter (mm): 1.2 Head Length (mm): 4.2 Overall Length (mm): 19.5 An account is required to purchase on Trihawk. More info Create account Login SKU: FG 58 Categories: Standard Carbide Burs, Straight Fissure Related products Standard Carbide 556 Head Diameter (mm): 0.8 Head Length (mm): 4.2 Overall Length (mm): 19.5 Standard Carbide 37 Head Diameter (mm): 1.4 Head Length (mm): 1.4 Overall Length (mm): 19.5 Standard Carbide 558 Head Diameter (mm): 1.2 Head Length (mm): 4.2 Overall Length (mm): 19.5