Hi-Run LG Turf Lawn & Garden Tire -18/8.50-8 Featuring closely packed tread blocks that provide great traction and balance. Highly Durable Tire that provides a Maximum Load Capacity of 515 pounds. Wide Shoulder design provides minimum damage to your equipment, turf and lawn. Pneumatic Air Filled Tire fills to 10 psi and is 2 ply making it the perfect choice for your riding lawnmower. Measures 18 in. x 8.5-8 in.