OB Cues 123-P18+ OB Pro+ Pool Cue Shaft, 5/16x18 Joint with Black Collar, 11.75mm Tip, 3/8" White Linen Melamine Ferrule The original laminated construction has evolved into solid maple spliced Features 13% less tip end mass than the original ob shafts which equates to less cue ball deflection Carbon fiber pad and Ferrule have been redesigned for improved strength and performance Higher grade of maple that looks better and feels smoother