A high-quality aftermarket sleeve adapter which changes the loft (+/-) 20 degrees to optimize the trajectory for each golfer's unique swing.Right Hand markings (still works with LH heads but markings are opposite)Including ferrule, washer and screw, fitting .335 tip size shafts.Always use the appropriate wrench (torque) to tight the screw to avoid damage to the sleeve and club head.Please do not use to clean it, as the markings maybe removed.colour:blackMaterial:Aluminum alloysize:Caliber .335, about 6cmPackage Contents:1 * 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.