This is an ADAM jump and break cue. It is a discontinued item and difficult to obtain. Butt: Joint pin: 5/16-18 flat Grip: Irish linen [Condition] - Although it is a used item, there is some wear and tear. - There are no noticeable large scratches or cracks, and the overall condition is good. - There is almost no warp visible that would affect the play of the shaft or butt. Please purchase only if you understand that this is a used item. Instant purchase is OK. Thank you for viewing.