OB Pool Cue Carbon Fiber Shaft 12.8mm 3/8th-10 thread. Never hit one time belonged to professional pool player. This is the brand new OB Carbon Fiber shaft OB just released & was used as a back up but never was hit with. Here are some specs. If you have any questions just ask & I will be glad to help. The item “OB Pool Cue Carbon Fiber Shaft 12.8mm 3/8-10 Thread Joint Pin Brand New” is in sale since Tuesday, March 2, 2021. This item is in the category “Sporting Goods\Indoor Games\Billiards\Cues”. The seller is “abjr61″ and is located in Fairview Heights, Illinois. This item can be shipped to United States.