AB Earth Set of 4 Pool Cues 2-Piece 57" Billiard House Bar Pool Sticks with Screw-on Tips WHAT YOU GET: Set of 15 screw-on Hard tips DIAMETER: 13mm MATERIAL: Tips are made of leather, hard FEATURE: Easy to repalce and install with the screw-in ferrules QUALITY: Flexible, Solid, abrasion-resistant and long-lasting use