Do it 1/2 & 3/4 in. 4-In-1 Fitting Brush is a versatile combination brush designed to clean both the inside of fittings and the outside of 1/2" and 3/4" copper tubing. It features a durable high-impact plastic handle for comfortable use and high-carbon steel brush wires that ensure effective cleaning. This hand brush is i for maintaining your copper pipes and fittings with ease and precision. The product comes packaged individually on a card for convenient handling and storage. Model Number: 413852