Item sold in packages of 12 for $171.36 pkg
$14.28 each (price per package $171.36)
$13.57 each (price per package $162.84)
$12.76 each (price per package $153.12)
$11.99 each (price per package $143.88)
When attached to a side action brush, brush holders slightly reduce bristle trip length for a stiffer, more aggressive brush action that can be driven at high RPM.
You can also use to hold twisted in wire brushes in a .250” machine collet.