Usage Tips:[FUNCTION] CBN grinding wheel is used for sharpening high-speed steel woodworking tools. [APPLICATION] This grinding wheel is suitable for most bench grinders. Idea for objects sharpening and contour grinding. [PREMIUM MATERIAL] Our diamond grinding wheels are coated with high density diamond. The high-quality diamond and durable steel base provide a long service life. No worry about deformed. [EFFICIENT TOOLS] Premium and durable diamond makes our grinding work easier more efficient. Good choice for CBN grinding wheel. [SIZE] Diameter : 6 inch, Arbor Hole: 1/2 inch, Thickness: 1 inch Grit: 180# / 600# / 1000# Material: Metal colour: silver Package Contents: 1 x CBN Grinding Wheel Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.