The BANSBACH Easylift® gas spring is made from steel with CeramPro®-treated rod technology to provide a smooth, durable surface. Powder-coated cylinder provides maximum resistance to corrosion. Spring is filled with nitrogen (N2) for controlled pushing, and lifting or lowering without external energy. Temperature range: -22° to 176°F. Note: Note the thread sizes on either end of the gas spring and that of the fitting when matching the 2 together. Gas Spring, Standard, Material Steel, Force 30, Locking No, Rod Dia. 0.32 In., Cylinder Dia. 0.75 In., Fitting Type None, Stroke 9.84 In., Compressed Length 12.52 In.