Description: Precision Adjustment Screw: Designed specifically for billiard tables, this fine tuning screw ensures precision leveling and stability for optimal gameplay Billiard table level part: can adjust table height with this screw leveling system on the table tennis case,pool table level screw Quality Material: This Billiard screw boasts exceptional hardness and durability, providing a sturdy and long last solution Smooth Finish: The entire surface is polished, ensuring a smooth texture without any burrs for easy handling and installation Deep Thread Design: Featuring deep threads, this screw offers enhanced grip and strength, making it reliable for maintaining the great balance of your billiard table Specification: Material: Iron   Size Chart: Type A: Hole spacing 48mm/1.89inch, length 60mm/2.36inch, width 36mm/1.42inch Type B: Hole spacing 70mm/2.76inch, length 100mm/3.94inch, width 41mm/1.61inch Package Includes: 1 Billiard Screw Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.