Description: Easy to Install: With its threaded design, this joint pin insert can be easily attached to your billiard stick, enhancing your game performanceQuality Material: The billiards pool cue joint pin is made of stainless steel and copper, sturdy and lightweightDesign: The billiards pool cue joint pin insert is designed for pool cue joint, convenient usingWorkmanship: The billiard pool cue joint screw is with fine craftsmanship, reliable and portableEnhances Gameplay: This quality billiards cue joint insert extends the length of your pool cue but also improves stability and control during gameplay Specification: Material: Stainless Steel, Copper Size Chart: Quick 3 Joint:6.5 cm / 2.56 inchQuick 6 Joint:7.2 cm / 2.83 inch Package Includes: 1 Billiards Pool Cue Joint Pin Insert Note: Please allow slightly errors due to manual measurement and different monitors.