The Vevor 5-piece ProPress kit is designed for copper pipe pressing applications and includes four press rings plus an R8 actuator. It is compatible with 32KN standard electric press tools from Vevor and select other brands. The press rings and actuator are made from high-strength carburized steel for durable, precise pressing performance. A 180° rotating design helps improve access in tight working spaces. This kit is suitable for residential and commercial HVAC, gas pipeline, radiant heating, and plumbing installations.