eBay

4 Brand New 7" Battery Post And Terminal Cleaning Brushes

All-in-one design includes four cleaning brushes
Cleans 1/2 in. and 3/4 in. copper pipes and fittings
High quality dense wire for long life and quick cleaning

For Use On The Top Post Of Car Batteries And For Cleaning Inside Top Post Terminals

Great for cleaning inside and outside of pipes prior to sweating them

The holes in the center of the brushes fit 5/8" and 7/8" outside diameter pipe

Get better soldered joints by preparing copper pipe surfaces with the 4-In-1 pipe fitting brush. Includes four brushes to clean both the inside and outside of 1/2 in. and 3/4 in. pipes and fittings. Features high quality dense wire for long life and quick cleaning, and an easy-grip design for comfortable use.

All-in-one design includes four cleaning brushes
Cleans 1/2 in. and 3/4 in. copper pipes and fittings
High quality dense wire for long life and quick cleaning
Easy-grip design for comfortable use
Overall brush length is 7.75 in
High carbon steel bristles for fittings and steel bristles for pipe cleaning

These brushes sell for 11.99 each in the plumbing aisle at Lowes but you can get them here for way less