Dock Edge Dock & Boat Heavy Duty Lift Wheel 24 inch (61cm) dock wheel Wheel strength: standard, 800lb (362, 9kg) Tough, rigid wheels offer stress, crack and impact resistance Roll easily over virtually any Terrain and will not rust on the axle Use for roll-in docks or boat lifts - all wheels accept a 1-7 8 inch (4, 8cm) o.D. Axle