1 - 18x8.50-8 4ply Wanda P332 grass tyre on a 4 inch PCD 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 with 4 stud holes, supplied on 4 inch PCD. The 4" PCD rim has a 67mm centre hole & 12.5mm stud holes - suits an M10 or 3/8" stud