<< >> 3" Metal Transition Grinding Pucks Part of the Core Prep line of surface preparation products. 3" with Velcro backing. More Views Product Description Features/Benefits: Good quality diamond for long life grinding Used for a smooth grind before polish Available in two grits - 80 and 120 Size Bond Specification Part Number Catalog Number 3 In. 120-Grit CGMP03120 69012 3 In. 80-Grit CGMP0380 69012 * Required Fields