Improved patented MS2000N One-Wheel Sulky! Quickly and easily convert your walk-behind mower into a stand-on riding mower. Increase efficiency and comfort for those long days of mowing. This patented sulky fits almost every mower! Drilling may be required to fit your mower. Please remember that a sulky device puts more strain on a mower's drive system. Most mowers can handle the additional weight with no problem. User suggested weight of 220lbs and under. Arm is 18" long from platform pivot point to hitch pivot point. Hitch is 5 1/4" wide x 4" tall.