ITEM NAME:2Pcs Folding Spring Tea Table Hinge Furniture Lift Up Top Mechanism Hardwar B3K7 2Pcs Folding Spring Tea Table Hinge Furniture Lift Up Top Mechanism Hardwar B3K7 1.Model: KYD007 2.Space Saving 3.Easy to assemble 4.Easy to use 5.User can according to needed, to choose sit, or choose to rely on and can be self-control 1.Name: Lift Up Hinge Spring 2.Thickness of lift: 2.5mm and 4mm. 3.Size: 17.2 x 22.7 x 24(cm) 4.Angle range :(125 degree angle). 5.Length of the bottom section: approx.17.2cm. 6.Weight Capacity: it will hold between 100 and 200 lbs when it is opened. 7.No instruction is included.Customers need to install it on your own. Colour: Black Material: iron Does not include mounting screws Package included: 1 Pair Lift Up Hinge Spring