3M 20878, PSA Cloth Disc 348D, 60 X-weight, 6 in x NH, Die 600Z, 7000118904 
Insize 4901-6, BLOCK LEVEL, 6″, 6928640373862
$235.68
Sensitivity .00024in/ft (=0.001?)
V-groove on bottom for shafts (shafts diameter .63~2.76″)
With transverse vial
Supplied with adjusting wrench
Related products
Overspray Protectors
$534.40
Diamond Unitized Wheels
3M 65086, Scotch-Brite Diamond Wheel, 6″ x 1″ x 1″ 645DC, 7010329878
$945.02