3M 01875, Charge-Collection Solar Tape 3011, 2 mm x 1200 m, 7010312686 
Insize 4902-8, FRAME LEVEL, 8×8″, 6928640380761
$388.18
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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