Inserts, PTFE,pk 6 Back Catalog number: M-TSTIN Manufacturer: MARKES INTERNATIONAL LIMITED Availability: In the manufacturer's stock Price on request - + Recommended U-COV450 O-Rings, low-emission,pk100 Price on request U-CENKIT Starter Kit: Centri booster pack (DiffLok caps and O-rings) Price on request C-TDKIT-01 Essential TD Starter Kit Price on request