The ACTXS-E replacement break shaft is designed for breaking only and fits cues with an Action quick release pin. The 13mm diameter and rock hard fiber linen ferrule/tip combo make this an excellent shaft for breaking. Also backed by Actions 1 year manufacturer warranty.Features:13mm Diameter1″ Fiber Linen Ferrule29 Hardrock Maple Shaft10 – 12″ Pro TaperAction Quick Release JointBlack Collar1 Year Manufacturer WarrantyShaft Details:Collar: BlackDiameter: 13mmFerrule: 1″ Fiber linen ferrule (one-piece, no separate tip)Joint Type: Action Quick ReleaseLength: 29″Tip Hardness: Extra HardTip Name: Action Fiber Linen Ferrule/Tip Combo