3M 93554, Double Coated Tape GPT-020F, Transparent, Level Wound, 12 mm x 3850 m, 7100243950 
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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3M 93553, Double Coated Tape GPT-020F, Transparent, Level Wound, 19 mm x 2000 m, 7100243951
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