Description: High Quality Material: Made of brass finished iron which is sleek, sturdy durable. Easy To : Can hold me billiard balls, me convenient to take st out the balls. Easy to Install: Each has a screw hole f easy fixing of the track, there on the other side which has 5 holes to adjust the height length. Suitable f billiard table Chinese billiard table. Great choice f billiard accessies. Specification: Material: Iron Diameter: Approx. 6.5cm or 2.56 inch Rail Width: Approx. 6.7cm or 2.64 inch Total Length: Approx. 30cm or 11.8 inch Belt Length: Approx. 23cm or 9.05 inch Package Includes: 6 x Billiards Table Rail (with installation fittings) Note: Due to the difference between different monits, the picture may not reflect the actual col of the item. Due to manual measurement, there may -2mm err in size.