Wheel Width 2" Wheel Diameter 6" / Plate size: Top plate 4"x4-1/2", mounting over heights 7-1/2" 2000 lbs total capacity(4 x weight capacity than others on the market) / pack of 2 / Material: Polyurethane Color: Blue / Includes: 2 Swivel with Brakes(Swivel can be rotated 360 degree) Precision ball bearing with hardened raceway for extra strength Warranty: 90-Days hassle free return policy for all products purchased 100% satisfied guarantee

Sy America Caster Wheel Model Heavy Duty Zinc Plated High Performance Polyurethane Wheel Caster Wheel Diameter 6" Tread Width 2" Bearing Type : Double Ball Precision Bearing Plate size: Top plate 4"*4-1/2", mounting over heights 7-1/2" Loading Capacity : up to 1000lbs Sy America Warranty 90-Days hassle free return policy for all products purchased from amazon store