610-988 Civco For use with Ultrasonix EC9-5 and Samsung Medison ER4-9/10ED, EVN4-9, EV4-9/10ED and ECM E610R ultrasound transducers, Sterile endocavity needle guide with 2 x 20cm (.8" x 7.9") latex cover, 3.5 x 20cm (1.4" x 7.9") latex Box of 24