uxcell 3.8" Stroke 3kg 6.6lb Force Gas Strut Shock Spring Lift Prop Product Name : Gas Spring;Material : Metal;Color : Black, Silver Tone Force : 3kg / 6.6lb;Stroke : 98mm / 3.8";Stroke Rod Diameter : 6mm / 0.23" Tube Diameter : 15mm / 0.6";Thread Diameter : 8mm / 0.31" Length ( screw center to screw center) : 270mm/ 10.6";Total Length : 285mm / 11.2" Net Weight : 151g;Package Content : 1 x Gas Spring