Item Type: Cue Tip Tool Material: Aluminum Alloy Color: Silver Application: For Billiard Stick, Pool Cue Product Size: Length: Approx.63mm/2.5in Diameter: Approx.22mm/0.9in Weight: Approx.54g/1.9oz Package List 1 x Cue Tip Tool 1. Please allow 1& 8209;3cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 1Higher Friction: You can shape the head for better contact and wear it down for better friction force, so that the tip has a better performance to let balls rotate during use. 2Useful Tool: This pricking pin tool allows you to shape, scratch, and poke the tip of the cue for a better hitting every time. 3Tool Function: Can poke holes in the tip of the cue stick so that the tip holds the chalk for a better shot. 4Novice Friendly: Whether you are a novice or an experienced billiard veteran, the pool cue repair tool sanding pin, is perfect for players and improve game performance. 5Shaper: You can lightly scrape the tip using a rotating motion to contour the tip to the desired dome curvature you need.