【Recommended】: Our pneumatic lids are suitable for lids between 40 and 50 lbs. 【Function】: The heavy-duty gas strut support hinge is designed to support heavy-duty trunk lids, toy box lids, heavy-duty bench lids, etc. Ideal for soft closing. 【Maximum weight support】: 22.7 kg / 2 pieces, Pressure: 200 N / 44 kg per bar. 【Material】: Made of durable cold-rolled steel in satin nickel. 【Note】: You may receive a set of 2 right-handed or a set of 2 left-handed, but all you need to do is remove the drive screw, flip it over and reinstall it.