Joss has been preserving the traditional look and values of old-time cue making for over 32 years. Each cue is marked with a unique serial number on the joint to increase value and create distinctive character. A real family effort since 1968. Joss takes the profession of cue making very seriously. They are produced in smaller quantities - therefore concentrating on quality.specifications: tip: 13mm triangle tipferrule: "aegis linen"- aegis is a linen based plastic that is designed to hit like ivoryshaft: 29" long with a 9" to 10" pro taper - hard rock maplejoint: piloted - has a stainless steel collar with black plastic ringspin: size is 5/16" 14 pitch - stainless steelforearm: birdseye maplewrap: irish linen - black with white specssleeve: maple with six ebony circles and six mother of pearl notched diamond shaped inlaysplate: white - and made of herculite - a durable material that doesn't crack or breakbumper: threaded rubber with "joss" emblem stamped on it weight changes: joss cues have a changeable weight system. You can change the weight by using a _" allen tool. 2 to 3 oz. Is the maximum change.