Comprehensive Sizes for HVAC Needs:Essential for air conditioning repairs, the construction ensures durability and long-lasting performance. Material and Cost Efficiency: Made from alloy, the swaging tool drill bit is not only and wear- but also saves you money by reducing the need for expensive copper fittings. A practical tool that pays for itself after a few uses, providing a reliable solution for pipe expansions. User-Friendly Design: Designed for ease of use, the swaging tool allows for leak-proof connections of copper pipes via drill bit rotation. Ideal for installers, this tool requires no complex learning and works more efficiently than traditional reaming tools. Safety gear recommended during use. Versatile Bit Holder: The impact bit holder is compatible with most 1/4inch hex shank drill bits and sockets, making it suitable for various electric and hand-held drivers. Perfect for high-altitude operations, it ensures seamless tool transfers, making it a must-have for professionals and DIY enthusiasts. Colour:Photo Color Material:alloy Package Contents: 6 x Keychain Extension Bars 2 x 5 in 1 Copper Pipe Expander 1 x carabiner Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.