612-051 - Civco - Disposable Endocavity Needle Guides For use with Siemens EC7, EC10C5 and EC9-4 (on SONOLINE G20, G50, G60S, ACUSON X500) transducers, Sterile endocavity needle guide with 2 x 20cm (.8" x 7.9") latex cover, 3.5 x 20cm. Box of 24