Single Stablius St4321Um Gas Spring 33.7 Pound - Silver Description Medium Duty Lid Stay for doors from 10" - 24" Doors weighing up to 20 lbs. For lighter doors, Search: Stabilus Lid Stay Gas Spring Light Duty (Pair) Silver Features: Rated at 150-lb. force (see chart for selection) Door size may range from 10-1/2" to 24" 235mm(9 1/4 inch) in open position c to c , closed 6inch C to C Product Details: Brand: Stabilus Material: Plastic Auto Part Position: Rear Manufacturer: ‎Orr & Orr Inc. Part Number: ‎4321UM Item Weight: ‎10.1 ounces Product Dimensions: ‎10 x 2.5 x 1.6 inches Item model number: ‎150N Is Discontinued By Manufacturer: ‎No Material: ‎Plastic Item Package Quantity: ‎1 Measurement System: ‎Inch, Metric Batteries Included?: ‎No Batteries Required?: ‎No Date First Available: February 13, 2005