General description Heavy Duty Lid Support designed to assist in the smooth opening and closing of heavy wooden crate lids, such as those found on chests, desk covers, and blanket boxes. This product features 2pcs Heavy Duty 200N Gas Struts that can support lids weighing up to 60 lbs, ensuring a soft close that prevents finger injuries. Technical specifications Weight capacity: Up to 60 lbs Gas strut force: 200N Maximum lid width: 50 inches Maximum lid height: 25 inches Required clearance: 9 inches Material: Iron + Steel Size: 30 x 16 x 7 cm Measurement error: +/- 1-3 cm Package contents 4 x Close Hinges 2 x English Instruction Manuals