3M 07053, General Purpose Sanding Sponge CP-040NA, Single Angle, 2-7/8 in x 4-7/8 in x 1 in, Fine, 7100110752 
Insize 4860-280, GEAR TOOTH PITCH GAGE, Range 6-80, Pressure angle 20?, 6928640386794
$150.00
Check the diameterical pitch of gear tooth.
Accuracy: ?.002″.
Made of hardened stainless steel
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