{HEAD ~ The slide bars} are configured in a triangular arrangement and are supported within {TAIL ~ the housing} by a combination of linear ball bearings and a plastic bushing 
are supported within
{ HEAD ~ The slide bars } are configured in a triangular arrangement and are supported within { TAIL ~ the housing } by a combination of linear ball bearings and a plastic bushing
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH