CUETEC AVID3/8 X 14 AVID 12.75 Shaft (21.30mm Joint) for Cuetec Cynergy and Avid butt only.3/8 X 14 AVID 12.25 Shaft (20.00mm Legacy Joint)for Assault, Classic, Denali, Gen-Tek, Pool Ball, Professional, Recreational, Starlight and Warrior series butt.Ready to compete at any levelAccurate, powerful, durable, introducing the game ultimate low-deflection performance value the AVID 12.75mm shaft. Featuring Cuetec all-new patent-pending front-end construction enveloped in an ultra-thin layer of glass fiber bonded to vacuum-sealed maple, each AVID 12.75 shaft is ready to help you take your game to the next level. Transferring more power than traditional and spliced maple low-deflection shafts, thanks to its unique dynamic stiffness and super straight taper, AVID shafts deliver more consistent performance whether youre growing your skills or your bankroll.DETAILSUltra-strong advanced glass bonded constructionSuper Straight TaperAir Light front-end constructionEffortless low-friction and ding-resistant surface finishThin white 0.375 inch sighting ferruleHigh-Performance Tiger Everest TipCuetec Cleansing Wipes (5x)Cuetec PatchStandard Shaft Length: 29″Standard Tip: Tiger Everest Laminated (medium)Joint: 3/8 x 14 21.30mmShaft Collar: Black 1.5mmStandard Weight: 3.8oz