Winged Blood Collection Set with Pre-Attached Tube Holder and 12" Tubing, 21G x 3/4" Help create a safe collection environment for both the patient and clinician Needle is covered during removal to help prevent needlestick injuries Activation is quick and easy with one step and an audible click Complete with handy preattached vacuum tube holder Memory-free tubing won't kink, curl or clog Non-Latex Shelf Life: 3 years