30 PSi Maximum inflation Durable grip and versatile tread Not for highway use MANUFACTURED TO THE MAJORITY OF WHEELBARROWS, TIPPER TROLLEYS, GARDEN TRAILERS, CARTS, AND SELECT MODELS OF RIDE ON LAWNMOWERS Suitable for All makes of Wheel barrows with inflatable tyres Perfect for Home, Professional and Commercial / Industrial use The replacement wheelbarrow tyre has a chunky tread designed to allow a better grip, particularly in the wet or over bumpy terrain.