2 PCS Golf Sleeve Adapterfor The Cobra driver and woods adjustable shaft sleeve design allows the player to adjust they're the river to the optimal trajectory and shot shape.for Cobra driver adaptor sleeve compatible with - 2019 New F9 Cobra RH DriversThe adapter fit .335 Golf Shaft Tip only.It is compatible with Fits 918F/917F/915F/910F Fairway WoodFits all Following Drivers:Bio CellFly-ZKing F6 / F6+King F7 / F7+King F8 / F8+King F9 / F9+size:caliber 0.335, length 12cm,about 6cmNote: This product works for both hands, normally the number on the adapter is correct for right hand, but it has reverse meaning for left hand.Color:blackMaterial:Aluminum alloyPackage Contents:2 x Golf Sleeve AdapterOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.