5pcs Tube Expander Air Conditioner Soft Copper Pipe Swaging Tool Drill Bits

5pcs 1/4 3/8 5/8 3/4 7/8 inch Tube Expander Screwdriver Drill Bits Set for Air Conditioner Soft Copper Pipe Swaging Tool 
Feature:
1. Rugged, easy to use, your good assistant for work and life.
2. Easy to use, good performance and long life.
3. A full range of forging tools makes it easier to extend HVAC pipes.
4. Preserving the ductility of copper/aluminum during die forging to avoid cracks and leakage.
5. 5 piece set, with the most common HVAC pipe diameter: 1/4-5/16inch 3/8-1/2inch 5/8inch 3/4inch 7/8inch
6. Suitable for standardized hard copper and soft copper, easy to braze swaging set.
7. The forging stopper will provide a large swaging depth to achieve a perfect fit.
8. When the air conditioner is installed, expand the copper pipe to connect the two copper pipes to each other. (It needs to be installed on a hand drill)
9. Sufficient quantity, complete specifications, perfect to complete your work needs.

Specification:
Material: High Carbon Steel, Blackened Surface
Color: Black
Size: 1/4-5/16inch 3/8-1/2inch 5/8inch 3/4inch 7/8inch

Note:
1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
2. Please allow 1-3mm measuring deviation due to manual measurement.