3M 85492, Scotch Foil Tape 3311-10A, 2.0 in x 10 yd (50.8 mm x 9,1 m), 7010383663 
Insize 3594-1, DIGITAL NON-ROTATING SPINDLE DISK MICROMETER, 0-1″/0-25mm, 6928640375200
$491.29
Resolution .00005″/0.001mm
Measure root tangent length of gear.
Non-rotating spindle
Button function: on/off, set, inch/mm, ABS/INC.
Data output. LR44 battery, automatic power off
Ratchet stop.
Supplied with setting standards.
Related products
Measuring/ Inspection Instruments
Insize 6377-25W, NON ROTATING SPINDLE MICROMETER HEAD, 0-25mm, 6928640308086
$90.11
Measuring/ Inspection Instruments
$1,560.88
Measuring/ Inspection Instruments
$969.16
Reflective Sheeting
$1,499.44