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About product and suppliers:
        Alibaba.com offers 871 4 locking casters products. About 69% of these are material handling equipment parts, 8% are furniture casters, and 1% are door catches & door closers. 

A wide variety of 4 locking casters options are available to you, such as free samples, paid samples. 

There are 870 4 locking casters suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and India, which supply 97%, 2%, and 1% of 4 locking casters respectively. 

 locking casters products are most popular in North America, Domestic Market, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 304 with ISO9001, 92 with Other, and 16 with ISO14001 certification.