Household Garden Mower Wheel Trimmer Electric Lawn Mower Specifications: 1) Wheel diameter: 6" 7" 8" Heavy Duty Caster 2) Wheel Width: 35 35 38 40mm Industrial Caster Wheels 3) Load Capacity: 70 110 120 145kg Industrial Caster 4) Material: TPU Caster With Wear Resisting 5) Bearing: Double Bearing 6) Color: Black