1 - 18x8.50-8 4ply Wanda P332 grass tyre on 25mm ball bearing rim. This is a versatile grass tyre with rounded shoulders so it doesn"t cause damage when cornering These are tubeless tyres & are not for highway service. They are hard wearing 4ply tyres with a thread depth of 7.1mm. Wheel Dimensions: Overall diameter: 449mm, Max section width: 210mm, Max load: 815lbs (370kg) @ 22psi. The wheels are heavy duty steel rims on 25mm Ball bearings.