Bottom Brush Complete "Light Duty Type"

* Special, small stainless brushes for removing those stubborn deposits on the very bottom of dive tanks.

* Each brush screws onto a 3 - foot aluminum rod which fits into any 3/8 electric drill.

* Each unit comes with the brush, extender rod, and a plastic guide sleeve to augment insertion through tank necks.

* Fine wire for light rust sports in steel tanks or Bayerite deposits in aluminum models.

* Will not seriously damage the interior coatings of aluminum tanks.