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 50297 7" Dia. Disc Backup Pad, Hard Density, 5/8"-11 Thread
Dynabrade 11005 Dynafile Belt Housing Guard
Dynabrade 13509 Dynastraight Finishing Tool, Rear Exhaust, 6,000 RPM, 5/8" (16 mm) or 1" (25 mm) Dia. Arbor
Dynabrade 11475 Dynabelter Abrasive Belt Tool, Standard Duty
Dynabrade 96101 Dynabrade Air Lube 10W/NR 24 Per Box
Dynabrade 50282 5" Dia. Disc Backup Pad, Spiral-Face, Medium Density, 5/8"-11 Thread
Dynabrade 01185 Vane Set (4pk) 
