3M 87449 Silver Depressed Center Grinding Wheel, T27 Quick Change, 9 in x 1/4 in x 5/8-11 Center Hub Thread, 7010409732, 20 per case 
Dynabrade 98273 - 1/2" Female Coupler with 1/2" Male Plug Assembly 
Insize 4902-6, FRAME LEVELS, 6×6″, 6928640382796
$258.21
Sensitivity .00024in/ft (=0.001?)
V-groove on bottom and left for shafts (shafts diameter .59~2.76″).
With transverse vial.
Supplied with adjusting wrench
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$258.21
Sensitivity .00024in/ft (=0.001?)
V-groove on bottom and left for shafts (shafts diameter .59~2.76″).
With transverse vial.
Supplied with adjusting wrench