not have flat surfaces for engaging a tightening tool instead the flange 356 on the outer sleeve is used configured in this way the mounting device 310 operates substantially similarly to the mounting device 10 described above except that the counter torque is applied directly to the outer sleeve 350 instead of directly to the inner sleeve during the tightening process referring now to fig1 17 yet another embodiment of a mounting device 410 is illustrated the mounting device 410 comprises an inner sleeve 420 and an outer sleeve 450 and a locking nut 440 for releasably locking the device to a shaft in the present instance the inner sleeve 420 comprises a hollow generally cylindrical split sleeve having an internal bore configured to mate with a cylindrical shaft as in the embodiments described above the inner sleeve 420 comprises a first threaded section 422 cooperable with internal threads 452 in the outer sleeve 450 and a second threaded section 424 cooperable with internal threads in the locking nut 440 the threaded portions may be configured in a variety of profiles however in the present instance the externally threaded portions 422 424 of the inner sleeve and the internally threaded portions of the outer sleeve 450 and the locking nut 440 are configured substantially similarly to the threaded portions 22 24 42 52 of the mounting device 10 described above additionally in the present embodiment the inner sleeve 420 does not include a flange extending radially outwardly as described above in connection with the inner sleeve 20 of.