The WER19ALSP has an exceptionally strong and durable aluminium alloy deck, which is also lighter than steel for easier handling. • WER19ALSP Petrol Rotary Lawnmower. Instead of a single rotary blade, it uses a rotating disc with four individual blades mounted onto it - this makes it more durable than a standard rotary mower, as it is able to better withstand accidental collisions and impacts without wrecking the blade.
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