The TB105B push mower is designed with a 21 in. steel deck for durability and comes with a mulch kit engineered to finely mulch grass clippings and help add nutrients back into the soil. Featuring a dependable 140cc engine that delivers reliable power to get the job done right and is equipped with Prime ‘N Pull technology for easy starting. Dual-lever, 6-position height adjustment makes it easy to change cutting heights from 1.25 in. to 3.75 in. 21�� 140cc Gas Powered Push Walk-Behind Mower, TriAction Cutting System 140cc engine with Prime N Pull starting system for reliable, easy starting Included mulch kit promotes a healthy lawn 21 in. steel deck features the TriAction cutting system for a well-groomed lawn Dual-lever, 6-position height adjustment allows cutting height changes from 1.25 in. to 3.75 in