APPLICATION: Suitable for functional coffee table, telescopic coffee table, Perfect for space saving. Hot Rolled Steel with electrophoresis surface finish for corrosion resistance. Mounting screws are not included. It support slowly raised and folded, so easy to operate it. Package included:2 PCS coffee table desktop folding lifter with 2 springs (Screws are not included) Note: Due to the different work needs, the screws are not included (you may use bolts, machine screws, wood screws or whatever you feel necessary for your particular project).Please understand it before you purchase it, thanks! High quality material:Made of heavy duty steel material, anti-rust and corrosion-resistant, durable and sturdy to use, not easy to bend and break Super load capacity:Our products can carry about 50kg / 100lb, so it is used as a large lifting table hardware. It supports slow lifting and folding, opening and closing, so it is safe and easy to operate, just enjoy family life. Multifunctional: Lift up coffee table can turn your normal coffee table into a functional coffee table, you can lift up top table to get a variety uses of the needs, such as dining, writing, meetings, etc. Space saving: Pneumatic gas spring coffee table lifting frame make much space for your coffee table, help you save space that make you home more clean and tidy, perfect for your project. Package includes: 2 PCS coffee table desktop Gas folding lifter