These artery tubes, in chrome brass, have a threaded end fitted with a seal to which both the tapered connection on the standard model and stopcock ref. 03140 can be fitted. Grooves on each tube (except ref. 03139) cut the risk of the tube slipping out of the artery. Complete set includes tubes ref. 03130 to 03139, stopcock ref. 03140 and Luer adapter ref. 03141.