About this item

• Package Contents: You will receive a set of HVAC swaging tools, including 6 drill bits of different sizes, 6 keychains, and 1 carabiner, a perfect combination for your convenience.
• Rich Sizes: Our products are suitable for 6 different pipes, including 7/8" (22.2mm), 3/4" (19mm), 5/8" (15.9mm), 1/2" (12.7mm), 3/8" (9.5mm), 1/4" (6.3mm), which can meet your various repair needs.
• Long-lasting Material: HVSC crimping tool drill bits are made of alloy steel, which is sturdy and reliable, hard-wearing, weather-resistant, not easy to deform, and can serve you for a long time.
• Easy to Install: First turn the carabiner knob to the left; then open the carabiner knob, install the keychain, and tighten the carabiner knob to the right; finally put your thumb and index finger on the bottom of the keychain and push forward to install the copper pipe expander into the keychain.
• Practical Tools: Our drill bits are small in size, and easy to carry and use, allowing you to easily enlarge the aperture. It is an essential tool for air conditioner maintenance. Note: The drilling speed should not be too fast.