Dynabrade 10690 Filter/Regulator/Lubricator, FRL40, 1/2" NPTAssy. 
Dynabrade 51476 5"-8" Dia. Right-Angle Wet Rotary Sander, Basic, .7 HP, 0-3,100 RPM, 5/8"-11 Spindle Thread 
Insize 2187-139, ADJUSTABLE SNAP GAGE, 5.24-5.47″, 6928640314575
$340.53
Used as Go/No-Go gage by setting upper and lower limits.
Flatness of anvil: 59_in.
Parallelism between tips and anvil: range 0-1.26″: 118_in,
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Insize 6144, ACCESSORY SET FOR DIGITAL CALIPERS, 6928640380839
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