20 inch 60 Lbs Gas Struts Prop Shock 4450 C1608260 git for RV Side Door Motorhome Door Camper Shell Rear Window Tonneau Cover Trap Door TV Cabinet RV Bed, 2Pcs

Extended Length: 19.7 inch (500 mm, center to center)Compressed Length: 11.8 inch (center to center)Withstand: 45-66 Lbs Per Strut. How to choose suitable gas struts?STEP 1. Measure the length of lidDistance from the hinge point to the edge of thelid. The extended length of gas strut ≈50% of the length of the Lid.STEP 2. Weigh the lidUnscrew the lid from the hinges and use a scale to weight.STEP3. Calculate the pressureE.G. reading of 10Kg,1KG=10N, 10kg lid means that (G) equals 100N.If you are going to use 2 struts on the lid you can half the amount of pressure in each strut. How to Install Gas Struts?1. Open the lid to the position you required, mark a point at 1/3 or 1/2 to halfway from the hinge to the opposite side of the lid as the upper mounting point.2. The lower mounting point is often blow the upper mounting point.3. Installing the upper and lower brackets at the marked locations.4. Install and use gas struts.If you feel it is too powerful to close/open, you can move the mount point on the lid towards the hinges' direction.If it is too weak, move the mount point on the lid opposites to the hinge direction. Install the struts can be easily lifted and slowly automatically closed, without the need for strenuous support throughout the entire process. This not only avoids the risk of accidental pinching or falling, allowing both the elderly and children to safely operate heavy cabin doors, bed boards, and toolbox covers, but also effectively reduces the impact on hinges and door frames, significantly extending the service life of your beloved objects.

• Product Specifications: Extended Length: 19.7 in (500 mm), Compressed Length: 11.8 in. Can withstand 45-66 Lbs Per Strut. Replaces part Numbers: 4450, C1608260.
• Size Selection: Measure the lid's length; the gas strut's extended length is approximately half this measurement. Remove the lid for weighing, converting using 1 kg ≈ 10 N. If two gas struts are used, each bears half the load.
• Application scenarios: 20 inch 60 Lb gas srtut use on RV Door, Motorhome Door, Tonneau Cover, TV Cabinet, RV Bed, Trap Door, leer camper shell window, truck cap, etc.;NOTE: If the lid weight is less than 45lbs or more than 66 pounds, please choose other pressure struts!
• Product Performance: The parts and struts are made of high-quality materials, ensuring the great performance of the product. Please measure the weight of the supported lid before purchasing to achieve the best results.
• Customer First: Whether you encounter any issues during purchase or are not satisfied with the product after receiving it, please feel free to communicate with our customer service at any time, and we will provide you with a solution.