Description: Made of aluminum alloy material, with the trait of durability and rust resistance Compatible with 0.335 tip size 8.5-11.5 degrees golf shaft sleeve replacement for Cobra Bio Cell Driver Easy to assemble on the golf club head, very convenient for you to use A great replacement for worn & broken golf adapter sleeves Please confirm your shaft tip size before you buy, and every adapter fit one tip size shafts only. Specification: Material: Aluminum Alloy Color: Black Size (L x W): Approx. 2.4 x 0.4inch/6 x 1cm Fit for Cobra Bio Cell Driver .335 Tip Size 8.5-11.5 Degrees Package Includes: 1 * Golf Shaft Adapter Sleeve Note: 1. Please use the right wrench to twist the screw avoid to damage the sleeve and club head, maybe you need to heat a little if your old adapter is too tight. 2. Please don't use Acetone to clean it, the letters may be removed, it recommended to use Isopropyl Alcohol to clean epoxy after installing