5-piece copper tube expansion kit – 1/2″, 5/8″, 3/4″ hex fittings for air conditioning maintenance

Compatibility: The extension set contains 5 extensions of different sizes, such as 3/4", 5/8", 1/2", 3/8", and 1/4", which can meet various copper pipe expansion requirements. Multi-purpose: The copper pipe crimping drill bit uses a standard 6.35mm hex shank, which can be installed on a regular hex-shank electric drill. It is suitable for HVAC installers to extend air conditioning copper pipe. Easy to use: The copper pipe expansion device can expand copper pipe during air conditioner installation, so that the two copper pipes can be connected precisely and perfectly. Easy to carry: The catheter reaming tool is small and lightweight, so it can be carried or put in a toolbox. It takes up little space and is easy to carry and store. HIGH-QUALITY MATERIAL: The hexagonal handle flarer is made of high-quality, high-carbon steel, which has high hardness and wear resistance, is not easy to break, durable, and has a long service life.