For Camper RV Bed Large Outdoor Box Trap Door Lift Support Strut 20″ 40 Lbs 178N
* This Listing is for 2 Supports which fit the Following Applications : 20 inch 40 lb struts are widely used on heavy lids such as heavy duty bench box lid, boat hatch or floor hatch cover, truck Camper RV bed, Murphy Bed,AD board, or home-build window,etc. Features: * Premium gas-charged cylinders * Quality & Fitment Tested – undergoes rigorous compression testing to perform as well, if not better, than the original supports that came on your vehicle * Extended length：19.7 inch * Compressed length：11.8 inch * Withstand Force: 40 Lbs (178 N)/piece (Force range: 30-45 lbs) Note: .