The biggest advantage of using brush sanders that are of the "Key Way and Strip" technology is that it allows the operator to change abrasive strips
sequentially rather than all at once.
that are die-formed to match common edges and intricate profiles, lock into the head.
These strips extend between and beyond brushes that work the abrasive strips
into and around corners, fluted surfaces, hollow surfaces and small openings.
The abrasive strips
do not make contact with the feed belt because they are adjusted with 1/8 to 1/16 in.