Surgical Carbide 557SU Description Head Diameter (mm): 1.0 Head Length (mm): 4.2 Overall Length (mm): 25 An account is required to purchase on Trihawk. More info Create account Login SKU: FG 557Surg Categories: Crosscut Straight Fissure, Surgical Burs Related products Surgical Carbide 4SU Head Diameter (mm): 1.4 Head Length (mm): 1.4 Overall Length (mm): 25 Surgical Carbide 58SU Head Diameter (mm): 1.2 Head Length (mm): 4.2 Overall Length (mm): 25 Surgical Carbide 6SU Head Diameter (mm): 1.8 Head Length (mm): 1.8 Overall Length (mm): 25