Three chain links for your extraction arm. With three individual chain links, the wall version of the CT-ASA FLX W extraction arm can be flexibly extended by 10, 20 or 30 cm. Alternatively, individual links can be replaced as required. Robust and flexible: The chain links can be easily separated and reassembled. Extension. Quick exchange. Three separate chain links allow the extraction arm of the wall version to be extended by 10 cm each. Up to a maximum of 30 cm.. Individual chain links can be replaced quickly and without tools. three separate chain links. for CT-ASA FLX J/W