RUKO Tungsten Carbide Rotary Burrs Shape C Oval (WRC) - RUKO 116020, A 6mm diameter Rotary Tungsten Carbide burr for deburring, smoothing sharp edges, cleaning, welded seam working and surface working. The burr is oval (WRC), form C, in shape. RUKO 116020 Tungsten Carbide Rotary Burr Shape C Oval (WRC) Ø6mm