BD Safety-Lok™ Tuberculin Syringe 1mL 25g x 5/8" (305554). The BD™ Tuberculin syringe with BD Safety-Lok permanently attached needle features bold scale markings that facilitate accurate dose measurement. Crystal clear barrel and sleeve make syringe contents easier to see. Large flanges and tapered plunger rod increase control for easier aspiration and injection. BD Safety-Lok™ is the only safety-engineered syringe of its type to offer clear visual confirmation of the lock position. Lock confirmed when green band fully covers red collar. Efficient blister packaging minimizes storage space. 100/BX 5BX/CS. Priced per box.