Fits MTD: 2-cycle single-stage snowblowers; Snow Wolf 174, 180, 181, 191 and 196 snowblowers, 1988 and newer Width: 2 11/16" Length: 19 13/16" Thickness: 7/16" Center To Center: 5 1/2 and 6" No. Of Positions: 4 Material: Black Plastic 5 1/2" and 6" center to center