Bestcompu New .335 Shaft Adapter Sleeve For Cobra Bio Cell Driver loft 9&ordm;-12&ordm; Screw and washer included. The adapter fit .335 tip size shafts only. It Compatible with Cobra Bio Cell Driver, Don't fit the fairwaywood. The adapter allows loft change via 9, 9.5, 10,10.5 ,11,11.5 12. Fast Shipping from CA, US.