The Vevor PEX pipe expander tool kit is designed for efficient expansion of 3/8", 1/2", 3/4", and 1" PEX tubing for secure, leak-free connections. Its manual lever design provides strong expansion force with a comfortable non-slip grip for easier operation. Built from carbon steel with an electroplated finish, it offers durability and rust resistance for residential and commercial plumbing work. The kit includes four expanding heads, a pipe cutter, lubricant, and a carrying case for organized transport and storage.