Standard Carbide 558DescriptionHead Diameter (mm): 1.2Head Length (mm): 4.2Overall Length (mm): 19.5 An account is required to purchase on Trihawk. More info Create account Login SKU: FG 558 Categories: Crosscut Straight Fissure, Standard Carbide BursRelated products Standard Carbide 1/2 Head Diameter (mm): 0.6Head Length (mm): 0.6Overall Length (mm): 19.5 Standard Carbide 557 Head Diameter (mm): 1.0Head Length (mm): 4.2Overall Length (mm): 19.5 Standard Carbide 57SS Head Diameter (mm): 1.0Head Length (mm): 4.2Overall Length (mm): 16.5