The Apollo ProPEX PEX-a Expansion Tool is a high-quality hand tool designed for use in the United States. It is specifically made to meet ASTM F1960 standards, ensuring a reliable and efficient performance. This tool, from the trusted brand Apollo, is perfect for expanding PEX-a piping systems with ease and precision. With a focus on durability and functionality, this expansion tool is a must-have for any DIY enthusiast or professional plumber looking to simplify their work.