8 x 3" Yellow Airway Buffing Wheel 16 ply Tuff Cut Size:1/2 inch center hole The wheel is semi-firm but

The wheel is semi-firm but not rock hard

The holes are at 1" and 4"

Aluminum and all non-ferrous metals

They are not recommended for use on hard ferrous metals

This treated sisal holds buffing compound very well

8 x 3" Yellow Airway Buffing Wheel 16 ply Tuff Cut Size:1/2 inch center hole The wheel is semi-firm but8 x 3" Yellow Airway Buffing Wheel 16 ply BEST SELLER GREAT VALUE "A great economical choice for the quality" This 8 inch yellow airway buffing wheel is a great universal cutting wheel for most buffing projects. The polishers choice for buffing truck rims and gas tanks however, these wheels have hundreds of other uses in other industries. This is a good wheel for hand held angle grinders. Good for buffing aluminum, stainless steel, and all other