Tool set with drill bits + copper tube extension for screwdriver or drill, drill bit set for press tool, 6 pieces

Material: Steel bearings. They have high hardness, uniform wear resistance, and strong elastic limit.

Pressing tool: A product of the pressing process, this tool is used in the installation of HVAC system lines.

Function: When installing air conditioning, extend the copper pipe to create a mutual connection between two copper pipes. (To be installed with a hand-held electric drill)

Easy to install: Perfect for installers, whether you are a beginner or experienced.

Multiple sizes: 7/8", 3/4", 5/8", 1/2", 3/8", 1/4" - 6 different sizes to choose from to meet your needs.