These Metal Shaft Adapter Sleeves fit TaylorMade RBZ, R11s, R11, R9's heads. Made of 7075 Aircraft Aluminum with very close tolerances and it's Made Here in USA. These will fit either .335, .350 or .370 shaft tip. with options of 1º 2º 3º degree full adjustments, these will give you more adjustment than the OEM Original Part. You can add 4 Different Colored Ferrules they will all fit the Original OEM Sleeve.
1 deg is plus 1/2 degree to minus 1/2 deg (low handicap players that need minor adjustments)
2 deg is plus 1 degree to minus 1 deg (average handicap players - these are OEM standard adjustment)
3 deg is plus 1.5 degree to minus 1.5 deg (high handicap players that need more correction)