This BAUER™ 4-1/2 in., 24-Grit Carbide Cup Wheel is great for aggressive wood shaping or removal of adhesive from brick, concrete, and block material. The durable construction of this shaping disc is ideal for grinding hard and tough non-metallic materials such as paint, plastic, varnish, gypsum board, rubber, sandstone, cork, limestone, and glue residue.