About product and suppliers:
            405 caster insert products are offered for sale by suppliers on Alibaba.com, of which furniture casters accounts for 16%, casters accounts for 6%, and material handling equipment parts accounts for 1%. 

A wide variety of caster insert options are available to you, 

There are 137 suppliers who sells caster insert on Alibaba.com, mainly located in Asia. The top countries of suppliers are China, Taiwan, China, from which the percentage of caster insert supply is 94%, 5% respectively.