This Sealey Tungsten Carbide Rotary Burr is designed for efficient material removal on both soft and hard metals, including welded seams. It features an extra-long 120mm shaft and a 10mm oval head with a universal No. 6 cut. The burr is constructed from durable tungsten carbide for longevity. It comes supplied in a convenient plastic storage box. Model Number: SDB04XL. Head Diameter: 10mm. Head Length: 20mm. Head Shape: Oval. Shaft Diameter: 6mm. Net Weight: 0.038kg.