Weiler® Tiger® Zirc mounted points come in various ANSI point shapes including w221. A zirconia abrasive grain in combination with a strong bond delivers long product life and a consistent cut rate when grinding metal. The unique shape allows for precise cleaning and grinding of parts with complex geometries and in hard-to-reach areas. Designed for die grinders, mounted points have a standard 1/4 in shank diameter and a 1-1/2 in shank length. Tiger® Zirc Mounted Point, Portable, Point Shape Code: W221, 1 in Diameter Head, 1/4 in Shank Diameter, 1-1/2 in Shank Length, 24 Grit, RZA24U Grade, Zirconia Alumina Abrasive, 19120 RPM Maximum, Synthetic Resin Bond, Abrading Application: Cast Iron, Cast Steel, Ductile Iron, Gray Iron, High Nickel Alloys, Stainless Steel and White Iron