Action Adventure ADV60 Black and White Pile of Skulls Pool/Billiards Cue Stick Tip - 7 layered&#44; vacuum sealed&#44; 13 mm. proprietary boar skin tip. Ferrule - 1 in. Fiber linen ferrule. Shaft - 29 in. hard rock maple&#44; 10 - 12 in. pro taper&#44; brass insert. Collar - Black composite with single silver ring. Joint - Wood to wood&#44; stainless steel 5&#47;16 18 pin.