lift gas spring pass SGS test Passed over 100,000 open-close test Load bearing: 50N 80N 100N 120N 150N With:cabinet SGS: Passed over 100,000 open-close test. Load bearing: 50N 80N 100N 120N 150N. Gas spring Finish: Silver,Chrome,Gold,Black,Satin nickel. Pneumatic support can be purchased or custom-built. For proper strength based on weight of door panel. With:cabinet