ECLV Lift Up Modern Coffee Table Desk Mechanism Hardware Fitting Furniture Hinge Spring Stand Rack Bracket, Black Lift up coffee table mechanism hardware fitting furniture hinge with springs Turn a normal coffee table into a tricked-out coffee table, no instruction included The specs say it will hold between 20 and 70 lbs. when opening Screws are included All of our ECLV items located in United States, Will be shipped from United States Only. Color : Black. Made by heavy duty Steel(won't bend). Thickness: 2mm The specs say it will hold between 20 and 70 lbs when opening.please measure the dimension carefully to install it. Screws are not included (you may use bolts, machine screws, wood screws or whatever you feel necessary for your particular project).No instruction is included. Package includes 2 hinges buit-in 2 springs - enough to do one coffee table (or whatever you want to use it for)