18x9.50-8 4ply Wanda P332 grass tyre on 25mm ball bearing rims. 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 5mm. Wheel dimensions: Overall diameter: 465mm, Max section width: 223mm, Max load: 1040lbs 470(kg) @ 24 psi. The wheels are heavy duty steel 25mm Ball bearing rims ( this wheels are supplied with a plastic cap)