1、The nitrogen gas spring cylinder body has a C shape notch on the upper and a U shape notch on the bottom with M8 screw holes, which is easy to install. 2、The initial spring pressure of the 750 series nitrogen gas spring is 7400N, the stroke is long, and the work is stable. 3、The nitrogen gas spring piston rod has high hardness after fine processing, and the surface roughness is about Ra0.02um 4、Made of alloy material and adopts integral cutting and forming process, which is safer and more reliable than pipe welding. 5、The cylinder body diameter of the nitrogen gas spring is 42mm, the plunger diameter is 25mm, the size is standard. 1 x Nitrogen Gas Spring1 x Storage Box Item Type: Nitrogen Gas SpringMaterial: AlloyPurpose: Die compression nitrogen cylinderCylinder Diameter: Approx. 45.2mm / 1.8inPlunger Diameter: Approx. 25mm / 1in