MYIDEAL 2-piece copper tube expander set is designed for precise and efficient pipe expansion tasks. Crafted with high-quality materials, these expanders ensure durability and reliability. Each tool features clearly marked imperial and metric sizes, ranging from 1/4 to 3/4 inches, making it easy to select the correct size for your project. The ergonomic design allows for comfortable handling, whether used manually or with a hand drill. Ideal for plumbing and HVAC applications, this set offers versatility and ease of use. With dimensions of 100mm and 106mm, these expanders are compact yet powerful, perfect for both professional and DIY enthusiasts. Enhance your toolkit with this essential and practical addition, ensuring smooth and accurate pipe expansions every time.