Inner-Outer Copper Cleaning Brush No.4100Combines tube cleaning and fitting brush into one hand tool High carbon steel brushes quickly clean 1 2" or 3 4" nominal tube and fittings in preparation for soldering or brazing Durable plastic construction designed for easy brush replacement Specifications Weight Oz. 3. 25 Weight G 90. 7 Country Of Origin China

Auto-stop system available in both forward/reverse rotation modes

Variable-speed switch with electronic brake provides maximum control of the tool

1/2" - 3/4"

Longlife-motor with patented dust protection

Extend your reach when working in tight spaces with this tool designed to fit in a standard joist bay and featuring 360° rotation

Made from a patented aluminum oxide formula

These parallel clamps are designed for maximum strength and rigidity

Ideal for outside office buildings

Scale markings are highly visible and easy to read

Penetrates into the tiniest openings

it is designed to quickly move large volumes of debris

over-discharge and overheating