Standard Carbide 557DescriptionHead Diameter (mm): 1.0Head Length (mm): 4.2Overall Length (mm): 19.5 An account is required to purchase on Trihawk. More info Create account Login SKU: FG 557 Categories: Featured Burs, Crosscut Straight Fissure, Standard Carbide BursRelated productsStandard Carbide 2SS Head Diameter (mm): 1.0Head Length (mm): 1.0Overall Length (mm): 16.5 Standard Carbide 33 1/2SS Head Diameter (mm): 0.6Head Length (mm): 0.6Overall Length (mm): 16.5 Standard Carbide 37 Head Diameter (mm): 1.4Head Length (mm): 1.4Overall Length (mm): 19.5