4pcs Heavy Duty PU Swivel Castor Wheels Trolley Furniture Caster Rubber 
  

 Specification:
 Type:Swivel Castor Wheels
 Color:Black
 Material:Steel,Plastic
 Load Rating:App 200KG(50KG each)
 Overall Height: App 9.5cm\/3.7" (without screw)
 Wheel Size: Diameter.: App 5cm \/ 2"
 Wheel Width: 2.5cm
 Wheel Type :Twin ball roller bearings, non-marking polyurethane material
 
 Features:
 Easy to install.
 Double ball bearings swivel head.
 Ideal for a huge variety of uses from DIY to industrial applications (home, schools, shops & hospitals)
 
 Package included:
 2 x Swivel with Brake Wheels
 2 x Swivel Wheels