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.

Dynabrade 53232 7" Dia. Type 27 Vertical Depressed Center Wheel Grinder, 2 HP, 6,000 RPM, 5/8"-11 Spindle
Dynabrade 95544 Gear Grease, 2.5oz. Tube
Dynabrade 95848 Dynabrade Gear Oil
Dynabrade 64404 36" W x 60" L (914 mm W x 1,524 mm L) Metal Capture Downdraft Table, 230 V (AC), Side Exhaust
Dynabrade 15101 Tension Arm (for Mini Dynafile II)
Dynabrade 14000 Dynafile Abrasive Belt Tool
Dynabrade 40320 Dynafile II Abrasive Belt Tool
Dynabrade 10690 Filter/Regulator/Lubricator, FRL40, 1/2" NPTAssy.
Dynabrade 91165 1/2" W x 13" L 60 Grit A/O DynaCut Belt, 50/pack
Dynabrade 95842 Dynabrade Air Lube 10W/NR, 1 Pint
Dynabrade 50120 3" Dia. Disc Backup Pad Pad, 1/4"-20 Thread, Hook 'N Loop
Dynabrade 25234 Vane Set (4pk)
Dynabrade 11684 Dynabelter Contact Arm Assembly 4" DIA X 5/8" W., 40 Duro Serrated
Dynabrade 50261 Fibre Disc Phenolic Backing Pad
Dynabrade 53533 Cone or Plug Grinder (Triple Extension) 
