SACHS LIFT-O-MAT UNIVERSAL GAS CHARGED LIFT SUPPORT, SOLD INDIVIDUALLY -- 15 in. extended length; 9.5 in. compressed length; 40 lbs. force capacity; Features sealed cylinder that consists of rod, tube, piston, seals, end attachments, pressurized inert gas, and small amount of oil; A high quality, gas charged liftgate glass lift support.