Brand: Marshalltown Model: 840 UPC: 035965064408 [SHORTDESCRIPTION]MARSHALLTOWN rub bricks are the excellent masonry tool for cleaning bricks as well as dressing down and removing form marks from concrete. Choose between a 20 or 60 grit fluted, fluted with handle or round with handle style rub brick. The 20 grit fluted style rub brick is also available in our contractor-grade QLT brand. These tools are available in a variety of sizes and thicknesses to fit any job. Our MARSHALLTOWN brand rub bricks are made in the USA with global materials.Clean and remove blemishes from concrete and brick Abrasive Material: Silicon Carbide Blade Thickness: 31/32 in Grit Size: 20 Height: 3.5 in Length: 6 in Width: 3 in Application: For dressing down and removing form marks from concrete, cleaning brick or dressing down newly cut tile[SPECIFICATION] Shipping Weight: 2.1244 lb