Commercial theater popcorn machine replacement kettle assist gas spring. This nitrogen gas spring is used as a kettle assist spring to enable operators to easily operate the kettle swing of large Paragon popcorn machines with ease. Direct replacement for 12,14, 16 & 20 ounce Paragon popcorn machines. Replace those worn out assist springs to restore ease of use and safe operation of your large popcorn machines - Heavy duty commercial quality, suitable for commercial use - Compatible with Paragon models 1116110, 1112110, 1116810, 1112810, 1112710, 1116710 and 1120810 ONLY - Includes two new zinc plated R hairpin clip retainers, as shown - May be substituted for Paragon part #516066 - Product may be Stainless Steel or Gloss Black Powder Coat, depending on material availability.