C&D Valve CD3830 Universal Locking Cap Removal Tool with 3 Bits Locking Cap Multi Tool w/ 3 Bits Used in the Unlocking of Various Refrigerant Locking Caps Used in the Unlocking of Various Refrigerant Locking Caps Works with J/B Sheild (manufactured by Novent) , Novent Original , Rectorseal Novent , and C&D Locking Caps Replaces / Supersedes: CD-3830 , SHLD-8-DRIVER , SHLD-3-DRIVER , NV-MULTIKEY , NOVENT , RSC-TOOL , 86698 , NP-R410SDT , NPR410SDT , NG-R22SDT , NGR22SDT , 86668 , 86660 , B18-162 , B18162 , SHLD-MULTI , SHLDMULTI