Dynabrade 10690 Filter/Regulator/Lubricator, FRL40, 1/2" NPTAssy. 
Standard Abrasives 724277, Buff and Blend Circle Buff GP, A/O Very Fine, 2 in x 2 Ply x 8-32, 7010368699 
Insize 4799-1150, PROTRACTOR, 5.9×7.9″, 0-180?, 6928640317415
$53.38
Graduation 1?
Made of stainless steel
Satin chrome plated scale.
With clamping screw.
Related products
Measuring/ Inspection Instruments
Insize 6144, ACCESSORY SET FOR DIGITAL CALIPERS, 6928640380839
$83.88
Measuring/ Inspection Instruments
Insize 6315, MICROMETER MEASURING FORCE DETECTOR, 6928640351143
$115.24