Dynabrade 50321 4-1/2" Dia. Pistol Grip Disc Sander, Rear Exhaust, .7 HP, 11,000 RPM, 5/8"-11 Thread 
Insize 6141-320, EXTENSION BASE, length 12.598″, 6928640303456
$67.07
Supplied with two screws.
Made of stainless steel.
Suitable for depth gages series 1147, 1148, 1243, 1247, 1248 and 1249
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