Use the hydraulic gas struts to open the lid and work perfectly to hold the lid. Some items need two hands to put in and it is extremely difficult when only one hand is needed to hold the door. You can easily lift the lid by yourself and hold it while putting away or taking something from the cabinet. Use gas struts for large toy boxes to prevent the lid from falling and trapping people's hands, make the lids open and close very easily. Due to the strong connection between the two arms, the soft closing will work perfectly to prevent it from slamming and protect children's safety. It slows the descent enough not to crush little fingers. Furniture lifter is suitable for lids or doors weighing between 17 lbs and 25 lbs. Extended length: 7.95 inches (265 mm); Compression length: 4.35 inches (145 mm). The pressure support of each spring can reach 100N (10kg) Please note: not suitable for steel or heavy tool holders. Simple to install cabinet door hinge. Using the included mounting