The webb supreme r18sp is a self propelled steel deck lawn mower with an 18 inch cutting width. The webb r 18 sp has 3 mowing options for the user including cut collect, rear discharge or mulching. When fitted at the rear of the mower the mulch plug allows the grass cuttings to be mulched into tiny pieces which are then blown back onto the ground. The nutrient rich pieces are re absorbed for a healthier lawn growth and appearance.equipped with a briggs and stratton 450e engine the mower has a power capacity of 125cc. The steel cutter deck on the webb r18sp is robust and hardwearing. A self propelled 4 wheeled lawn mower this size is suitable for most types of lawn and garden up to 40m x 40m in size. The addition of the single speed power drive enables an operator to mow a larger area quicker and without the fatigue associated with hand propelled lawnmowers.the self propelled webb supreme r18sp has 7 cutting height settings adjusted with a single lever. Additional features include the 60 litre grass box, soft grip folding handles, wash port and ball bearing wheels.specificationsmodel r18sptype 4 wheeleddrive yes, single speedcutting width 18 inch 46cmengine briggs and stratton 450efuel petrolengine oil 4 strokecutting heights 7 settingsheight of cut adjustment single leverdeck material steelgrass box type fabric with hard topgrass box capacity 60 litresrear discharge yesmulch plug yeswash port yeswheels with ball bearingssoft grip folding handleweight 28.5kgmanufacturer's 2 year domestic warranty