CUEELF Bakelite Jump Break Cue Tips 14mm Billiard Tips 4 Colors for Cue Stick-2Pcs-BlackSingle tip diameter: 14mm (Black is 13.5mm) One package size: 60 x 7 x 50 mm (2.4 x 0.27 x2) One package gross weight: 5 gr (0.18 oz.) CUEELF jump break Tip - 2pcs Made of Professional Bakelite Phenolic(G10) Holds chalk better,harder then a leather break tip...