The 62850 from Mill-Rose is a Power-Deuce Brushing Tool Set for 1/2”, 3/4” and 1”. It's designed for faster cleaning of copper pipe fittings using a cordless drill or similar power tool. Comes with a quick-change chuck adapter. 
Note: power brushes may be rotated in clockwise direction only.

Features:

• (3) brushes with ABS housing and hex shank adapter. Includes quick-change adapter.
• Comes in a plastic case.
• For power cleaning using cordless drill, power driver or similar.
• Suitable for both plumbing and HVAC projects.

Technical Specifications:

• Brush Sizes: 1/2", 3/4" and 1";
• Brush Bristles: Stainless Steel (rust-proof);
• Housing: ABS;
• Hex Shank: 1/4" (standard size for drill).