Agri-Fab tow behind lawn rollers are supplied with a hitch pin & can be fitted to all makes of ride-on mower or lawn tractor. This 48"/120cm towed roller model has an 18" diameter rust-free poly roller. It weighs up to 550 lbs when filled with water & less than 60 lbs without water for easy storage & transport. A centre baffle ensures the poly does not flex on uneven ground & the rounded edges on the poly drum prevent the roller from gouging the lawn when turning. The 1" diameter brass fill plug can be easily removed without tools. Manufacturer's 1 year Warranty