Heavy Duty Lid Support, 2pcs Heavy Duty 200N Gas Struts can support lids up to 60 lbs Soft Close, which allows heavy wooden crate lids to close slowly without hurting your fingers. The opening lift and soft close hinges help to open heavy duty lids easily. The lid support is designed to support box lids such as chests, heavy duty desk covers, blanket boxes, etc. The hinges will fall slowly without slamming. Not suitable for covers over 50 inches wide and 25 inches high. and must have 9 inches of clearance Color: Silver Material: Iron + Steel Size: 30 x 16 x 7 cm Package Contents: 4 * Close Hinge 2 * English Instruction Manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.