Description: 【Conpatibility】: This Table Slide Lifting Rail Hinge is Suitable for tables of 1.3 or 1.5 meters or longer, with a tabletop thickness of 25mm~30mm.single side is extended, the depth of the round tabletop needs to be greater than 540mm, and the extended side is 300mm. 【Features】: The slide rail features a buffering close or pressure open function for easy operation 【Folding】: This Folding Dining Table Bracket Rail is suitable for transforming square tables into round ones, making it versatile for various furniture designs 【Extendable Design】: The extendable of Table Slide allows it to adapt to different scenarios, enhancing space utilization. 【Adjustable】:The total length of the slide rail is 540mm; when extended, it reaches up to 640mm with an adjustable length of approximately 20mm. Size Chart: closed:54cm/21.26inch raised:64cm/25.20inch adjustable range:2cm/0.79inch Package Includes: 1 set Table Slide  Note: Please allow slightly errors 1-2cm differences due to manual measurement.