Carlisle 24x1200-12, 24x12.00x12, 24x1200x12, 24x12x12 Turfmaster tread tire. 4 ply tubeless tire. Replaces Carlisle 511409, Exmark 1-633993, 103-2744. The deep Turf Master tread design and a broad footprint of this Carlisle tire offers excellent turf traction and its contoured shoulder will minimize turf wear. This is the tread lawn care professionals choose for their commercial mowers.