ONLY Works with Ariens (Razor Only), Craftsman (Battery Only), Dewalt, ECHO, Greenworks, Makita, Milwaukee Tool, SCAG and Snapper (Battery Only) 21" Residential Walk-Behind Lawn Mowers PROFESSIONAL RESULTS AND BEAUTIFUL CURB APPEAL: Simple-to-install mower accessory system that allows lawn enthusiasts to get professional ballpark-like striping results. Create straight, wave, circle, checkerboard or any other pattern. Highlight your landscape and be the envy of the neighborhood. EASY TO USE AND MAINTAIN: Easily attaches to your walk-behind lawn mower allowing one to mow and stripe at the same time. Works with and without most bagging systems. Roller/Cover can be removed within seconds while the bracketing system remains in place. PATTERN YOUR LAWN LIKE THE PROS: The Generation 3 Lawn Stryper properly bends the grass blades after they’re cut, which produces stripes just like the ones at major league ballparks, golf courses and other professional athletic fields. Refer to the lawn patterning zone map. GENERATION 3 LAWN STRYPER: Includes a grooved roller for a more consistent stripe, cover, hardware, instruction manual, patterning guide and new bracketing system which is bigger, bolder and stronger. Dry sand must be added to the roller before use, not included with purchase. Assembled and packaged in the United States. ONLY Works with DEWALT, GREENWORKS (round handlebars ONLY), Makita and Milwaukee Tool. Simple-to-install mower accessory system that allows lawn enthusiasts to get professional ballpark-like striping results. Create straight, wave, circle, checkerboard or any other pattern. Highlight your landscape and be the envy of the neighborhood. Easily attaches to your walk-behind lawn mower allowing one to mow and stripe at the same time. Works with and without most bagging systems. Roller/Cover can be removed within seconds while the bracketing system remains in place. 12-16lbs of dry sand must be added to the roller before use, not included with purchase. Assembled and packaged in the United States.