6″ Neoprene Wheel With 1/2″ Precision Sealed Ball Bearing 2-5/16″ Hub 600 Lbs. Capacity W-406-PD Superior for all floor surfaces and offering excellent mobility and wear resistance Neoprene D wheels are quiet and non-staining Designed for light to medium loads Shock absorbing, and resistant to damage from chemicals and debris.
6″ Neoprene Wheel With 3/8″ Precision Sealed Ball Bearing 1-3/4″ Hub 300 Lbs. Capacity W-76-XD Superior for all floor surfaces and offering excellent mobility and wear resistance Neoprene D wheels are quiet and non-staining Designed for light to medium loads Shock absorbing, and resistant to damage from chemicals and debris.