Whitecap Black Nitrate Gas Spring 7.5" 20LB MFG#G-3120C

Bodies constructed of black nitrate (heavy-duty steel, coated with heat-cured paint) or 316 stainless steel. O-ring insures proper sealing to force oil towards orifice piston. Hydraulic fluid specially formulated to provide end of travel damping. Piston assembly provides precise control during extension stroke. Rod diameter:6mm, Tuber diameter:15mm.