This ACTXS-T replacement shaft is designed to fit cues with 5/16 x 18 thread pattern. It has a 13mm, 10 Layered Vacuum Sealed Proprietary Boarskin Tip atop a 1 in. fiber ferrule and pro taper.Features:29″ Hardrock Maple10 – 12″ Pro Taper13mm, 10 Layered Vacuum Sealed Proprietary Boarskin Tip1 Fiber FerruleBlack Matte Collar5/16×18 PinShaft Details:Collar: Black w/ Silver RingDiameter: 13mmFerrule: 1-inch Fiber LinenJoint Type: 5/16 x 18Length: 29 in.Tip Hardness: MediumTip Name: Action Layered Boarskin Tip