Rated at 33 lb. force (Google manufacturer chart for selection), sold by one spring with mounting Plates;10-20 lb Measured At Connection Point;You Are responsible for right force selection, not returnable item;Door size may range from 10-1/2 to 24;80mm (1/8) extending,Length in opened position 235mm (9 1/4)

• Single Stablius St4321Um Gas Spring 33.7 Pound - Silver
• 150N
• silver

Single Stablius St4321Um Gas Spring 33.7 Pound - SilverStabilus