... Sleeves:R22, R25, R28, R32, R38, T38,T45, T51 Atlas Copco, Sandvik, Ingersoll Rand,Furukawa and Boat longyear Coupling SleeveCoupling sleeves ... , suitable for model powerful top hammers and drifter from Atlas Copco, Sandvik, Ingersoll Rand,Furukawa and Boat longyear etc.Thread size ...