Self Propelled Petrol Rotary Lawn Mower 7 Cutting Heights Webb 123cc Engine. The Webb Petrol Rotary Lawnmower features single lever height of cut selection, so selecting the most effective blade position couldn't be simpler and it benefits from a fold down handlebar that makes for straight forward transport and storage.The Webb is a self-propelled machine, along with ball bearing wheels, so it will enable you to cover rolling ground. 8.125 m/s2 - uncertainty K: 1.5 m/s2. 2 in 1: rear discharge or collect. Single lever height of cut adjustment. SURCHARGE MAY APPLY FOR NORTHERN IRELAND, SCOTTISH HIGHLANDS AND CHANNEL ISLANDS. This item is in the category "Garden & Patio\Lawn Mowers, Parts & Accessories\Lawn Mowers". The seller is "princegb" and is located in this country: GB. This item can be shipped to United Kingdom, European Union.