Overview Product Description Exclusive cubic boron nitride (CBN) technology delivers ultra-smooth - ultra-clean cuts in metal - and outperforms common abrasive wheels by lasting 20x longer. Product Videos Custom Field Product Reviews Write a Review Write a Review × Rotozip Xw-met1 Metal Cutting 4"" X-wheel Roto Zip Xwheels Cbn Grit Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *