The oil within the cylinder, when it is compressed or extended, moves from one side of the piston head to the other, providing a damping effect. PLACE the scale at the point the strut connects to the door / lid (at the bracket).
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2ea Fits Master Lift ML-31-70 / Nitro Prop RV Gas Strut Spring Lift Support Arm
2ea Fits Master Lift ML-31-20 / Nitro-Prop RV Gas Strut Spring Lift Support Arm
2ea Fits Signature SE075P-60 / Nitro-Prop Gas Strut Spring Lift Support Rod Arm
2ea Fits Master Lift ML-11-20 / Nitro-Prop RV Gas Strut Spring Lift Support Arm
2ea Fits Master Lift ML-31-150 / Nitro Prop RV Gas Strut Spring Lift Support Arm