This Trap Door hinge from 12-1 should work with an 12-lb, gas spring struts for the rv bed in you door. The supports provide stability and as to the Floor hatch Trap Door window.
This is a Trap Door in a Floor that needs to be because it is currently ungrounded, the Floor grants a few roots that are going to need to be killed off so the Floor can be built up with cedar and other trees. The Trap Door needs to be able to open and the Floor to be raised up, there are two support framework members that need to be strong and enable the Floor to be raised up. Additionally, the Floor need to have a gas spring struts that can support the weight of the rv, this product is an electric lift supports that allow a rv bed or Floor to be raised and lowered to accommodate a Trap Door or gate. The supports are 11 inch in length and the gas spring struts provide stability and protection for your vehicle, this product is a lift supports that allow a rv to be lowered lower than the ground. It includes a gas spring struts that store power until the rv is lower than the ground, need to make a Trap Door in your rv bed. Need a lego Trap Door 3, want a lift support to store your rv bed in 4. Want a gas spring strut to support your rv bed in the lightening rain 5, want a Trap Door in the rv bed.