Description: Note: Please note that if your pool table is not equipped with fine tuning screws, additional drill and milling will be required. The diameter of the screw hole should be about 23mm, and the depth should be about 60mm. The slot should have a length of about 60mm and a width of about 34mm. Material: The Billiard Table Feet are made from quality aluminum alloy, ensuring durability and longevity.Product Dimensions: Each piece measures at 6*3.3*5cm, making it compact yet effective for its purpose. This adjustment will raise the height of your pool table by approximately 3cm.Packaging Details: Each box contains a set of 12 pieces, providing you with enough quantity for comprehensive adjustments to your pool table.Versatility: These fine tuning screws are suitable for Chinese black eight ball tables, snooker tables, and other similar billiard tables requiring level adjustments. Specification: Material: Aluminum Alloy Size Chart: 6cmx3.3cmx5cm/2.36inchx1.30inchx1.97inch Package Includes: 12?pool table leveling feet Note: Please allow slightly errors 1-2cm differences due to manual measurement.