SCREW CAP BLACK 33-400 , Pack of 12

Details

Black Phenolic Screw Caps, Poly-Seal* Liner^ Size 33-400, black phenolic cap has a polyethylene cone liner, which molds itself around sealing areas of the finish as the cap is screwed on. Liner is secured to the protruding lock-stud in cap, so that it cannot become dislodged or fall out.