... .75m/s-Covered by elastic rubber ad plastic mixture-They are soft, flexible, attrition bearable, noise-resistant -Not vulnerable to ... be split out-With smooth appearance -Different specs are availale: WFB075,WFB100,WFB125,WFB150,WFB200,WFB250,WFB300,WFB350,WFB4003 ... . We supply the chains with high quality, competitive price and good service elevator chain, lift chain, compensating chain