3M 20966, Portable Utility Cloth Roll 314D, P180 J-weight, 1 in x 20 yd, 7010326034 
3M 21731, PSA Cloth Disc 348D, 40 X-weight, 6 in x NH, Die 600Z, 7000118906 
Insize 4905-B160, FRAME LEVEL, 6″ , 6928640386398
$458.60
Sensitivity .0012in/ft (=0.0057?)
No need to set zero before use
V-groove on bottom for shafts (shafts diameter .76~4.56″)
With longitudinal vial
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3M 65033, Scotch-Brite Diamond Wheel, 645DC 6 in x 1/2 in x 1 in, 7010365574, Box of 3
$551.38