Agri-Fab tow behind lawn rollers are supplied with a hitch pin and 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 and less than 60 lbs without water for easy storage and transport. A centre baffle ensures the poly does not flex on uneven ground and 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