General description 10mm Burr made from Tungsten Carbide. Conical Ball Nose No. 6 cut (universal). Designed for use on soft and hard metals, including welded seams. Supplied in a plastic storage box for convenient storage. Technical specifications Size: 10mm Burr Length: Extra-long 120mm rotary burr Cut Type: Conical Ball Nose No. 6 cut (universal)