Buy Extra Large Heavy Duty Office Chair Casters 4' Nylon Twin Wheel - Ideal for Carpet Set of 5: Casters - Amazon.com ✓ FREE DELIVERY possible on eligible . Buy Extra Large Heavy Duty Office Chair Casters 4' Nylon Twin Wheel - Ideal for Carpet Set of 4: Casters - Amazon.com ✓ FREE DELIVERY possible on eligible . Find many great new & used options and get the best deals for 4 Extra Large Heavy Duty Office Chair Casters Ideal for Carpet Set of 5 at the best online prices at . That's twice the diameter of the cheap casters supplied on most office chairs. Because of their larger size, Miracle Casters roll easily over thick carpet or . of your chair can be lowered a couple of inches to compensate for the extra height of a . This is due to the oversized office chair wheels, almost 4 inch diameter wheels. The larger diameter casters will also give you a bit of extra height to your office . Standard Office Chair Castor Incorporating Soft Tread Tyre 50mm . Ideal when a larger wheel is required and are popular for astetic & funky look 2019. 8. 16. - The Complete Guide: Office Chair Casters and Wheels . There may be additional parts depending on the type of caster and its intended use. . Larger wheels are better for frequent use and traveling over high pile carpet. This extra large chair wheel is designed for one purpose that is to give you the mobility to move around your hardwood, or any other hard surface floor easily. Set of 5 (five) Ultima heavy duty office chair, furniture and equipment twin wheel casters with 4' (100mm) nylon wheels and grip ring stems. Perfect for use on .