Eraser Wheel has serrations for improved cooling effect air flow.
Dynabrade surface grinding wheel has a diameter of 4 in. The quick change attachment allows for easy mounting to the tool or pad. In addition to the other aspects of these parts, another important component of these is the thickness. This Dynabrade part is 1 1/4 in thick. All abrasive products that rotate or spin, such as the ones in this category, have a maximum speed at which you can run them. This Dynabrade surface grinding wheel can be run at a maximum speed of 4000 RPMs.

3M 22407, Roloc Disc 361F, 80 YF-weight, TR, 1-1/2 in, Die R150S, 7000045099
Dynabrade 10690 Filter/Regulator/Lubricator, FRL40, 1/2" NPTAssy.
Dynabrade 18908 M x 8 Female _ 3/8"-24 Male, 1-3/8" Length
Dynabrade 14000 Dynafile Abrasive Belt Tool
Dynabrade 53533 Cone or Plug Grinder (Triple Extension)
Dynabrade 40378 Rubber Drive Wheel, Mini Dynafile II
Dynabrade 51150 5" Dia. Disc Backup Pad, Medium Density, 5/8"-11 Thread
Dynabrade 11518 Rubber Drive Wheel
Dynabrade 78699 D9-6 Cartridge Roll Mandrel 1/8" Pilot Dia. x 1" Pilot Length, 1/4" Dia. Shank x 6" Shank Length
3M 52755, Cool Flow Exhalation Valve 7583, System Component, 7000002159, 10 ea/Bag
Dynabrade 64404 36" W x 60" L (914 mm W x 1,524 mm L) Metal Capture Downdraft Table, 230 V (AC), Side Exhaust
Norton 66261014936 3" DIA X 1/8" Thick, Bear-Tex NEX Rapid Blend Quick-Change Type III Non-Woven Unified Wheel, 40 Each
Dynabrade 78690 D9 Cartridge Roll Mandrel 1/8" Pilot Dia. x 1" Pilot Length, 1/4" Shank Dia. x 1-1/4" Shank Length
Dynabrade 51926 Vane Set (4pk)
Dynabrade 11477 Dynabelter Abrasive Belt Tool, Heavy-Duty
Dynabrade 13509 Dynastraight Finishing Tool, Rear Exhaust, 6,000 RPM, 5/8" (16 mm) or 1" (25 mm) Dia. Arbor
Dynabrade 14010 Dynafile Abrasive Belt Tool Versatility Kit
Dynabrade 11475 Dynabelter Abrasive Belt Tool, Standard Duty
Dynabrade 15101 Tension Arm (for Mini Dynafile II)
Dynabrade 92208 1/8" W x 12" L 180 Grit A/O DynaCut Belt, 50/pack
Dynabrade 15420 Dynafile III Abrasive Belt Tool
Dynabrade 40610 Electric Dynafile II Abrasive Belt Tool 
