... locking 2. used for auto seat, hospital beds,coach seat back 3. High quality 4. Fast delive chair seat gas spring1. Spec.: Picture for ... -100061028255620300-1200KQ-120011228255620300-20003. Usage:auto seats, hospital beds, coach seat back4. Features:1) Nitrogen filled inside 2) Material: Seamless steel3 ... shipping agent to offer the best price with good services. chair seat gas spring