Small easy-grip block brush with 0.0045" brass bristle and a polypropylene handle. This useful brush has a 10 x 16 row configuration, with a 3/4" trim, and a brush face of 3-7/8" x 2-1/4". Polypropylene plastic block handle is 4-1/4" x 2-1/2". Very effective at cleaning in wet applications where chemical cleaners and solvents are required and safely cleaning, polishing and deburring easily scratched areas. For a finer brass bristle plastic block brush see part # G1308B003P.