Velky Sulky Commercial Mower 2 Wheel Stand Ride On Walk Behind Scag Toro ExmarkSignificantly increases profit and productivity. Velke and Sulky are the same thing, just referred to as two different names. Sturdy construction of strong welded steel. Patented design keeps you closer to the handles and away from obstacles on zero turns. Simply choose you model from the list above. Will work most commercial walk behind mowers Operator capacity up to 300lbs.