Spare O-rings and Needles for Premiala Flavor Injector - November 2015 onwards (see description for compatibility guide) Original needles and o-rings to suit Premiala Flavor Injector November 2015 onwards. Your existing needles must have 3-4 coarse threads, not 5-6 fine threads, to be compatible with this set. 1x 6-inch open-ended garlic needle 1x 6-inch 12 hole marinade needle 1x 3-inch 2-hole steak needle 4x O-rings - 2x large for plunger, 2x small for the end of the needles