NSK PTL-4HP 6 pin Tubing for highspeed handpiece systems NSK PTL-4HP 6 pin Tubing for highspeed handpiece systems shown with everything neeeded to hook it up -- Talk About Us -- Post navigationPrevious post: NSK PTL-4HP 6 pin Tubing Leave a Reply Cancel replyYou must be logged in to post a comment. This site uses Akismet to reduce spam. Learn how your comment data is processed.