Package includes: 4 x hinges. Size: 7.9 cm x 2.9 cm. Thickness: 2 mm. High quality: The table hinge uses a manufactured high-quality zinc alloy, which is smooth and abrasion-resistant and has high hardness. Rounded edge Fits perfectly into your folding table and the holes are lined up. Good helper Very high-quality mechanism that slowly pulls the table surface and closes for a quiet, silent movement. Wide applications Suitable for many surfaces such as computer desks, sewing machines, windows, doors and folding tables etc. High-quality zinc alloy, smooth surface, abrasion-resistant, high hardness. No opening of the hole, easy installation and long service life over 50000 times. Rounded edge, fits perfectly into your folding table and the holes are lined up. Very high-quality mechanism that slowly pulls the table surface and closes for a soft and quiet movement. Suitable for many surfaces such as computer desks, sewing machines, windows, doors and folding tables etc.