This listing is for one segmented rotary cutter tail-wheel. This tailwheel is made up of segments of truck tires and is virtually impervious to damage by debris thrown from your mower. These segments of rubber are head together by a stainless steel band and are press fit into the two piece rims. These tire/wheel assemblies are 15" in diameter, 4" wide and are designed to take the industry standard 4 bolt mounting hubs. May be white or black in color. Used on the following Bush Hog cutters: 12, 104, 105, 109, 126, 205, 255, 275, 285, 305, 306, 307, 405, 405HR, 406, 406HR, 502, 600, 1050, 1051, 1109, 1126, 1207, 1209, 1226, 1306, 1307, 1405 ; 1406, 2510, 2512, 3108, 3209, BD90, FH162, S268, SM60, SQ36, SQ480, SQ600. Sidewinder 373024H Servis Rhino 373024H Terrain King 401-0048 Modern 5337 BMB C40-RC Hardee KK4X8 King Kutter, WAC 4X8Weight (lb) - 26.2