Feature: High quality aluminum oxide sanding paper that 5-grain (60/80/120/180/240) to meet your various polishing requirements. Nylon SiC grinding wheel Coarse, medium and fine 3-size 3D structure with open mesh; With added strength and resistance to edge damage, regardless of burr removal, metal grinding and polishing provide excellent performance. Zirconia disc with two kinds of commonly used coarse sand (80/120), strong cutting force, long service life, suitable for polishing carbide such as titanium alloys; Very suitable for rust removal and is well suited for hard surfaces. Package includes: 5 Piece P60 (Red) 5 Piece P80 (Red) 5 Piece P120 (Red) 5 Piece P180 (Red) 5 Piece P240 (Red) 5 Piece P60 (Blue) 5 Piece P80 (Blue) 5 Piece P120 (Blue) 5 piece thickness grinding wheel 5 Piece Middle grinding wheel 5 Pieces Thin Grinding Wheel 2 Piece Black Ribbon Discs 2 Piece of compressed wool disc 1 piece quick-change disc pad and 1/4 inch rod