Set of impact joints 3 pieces 1/2", 1/4", 3/8" 10-256 by NEO, which are designed for tools with an impact mechanism. Made of chrome-molybdenum steel - resistant to corrosion, stretching and high temperatures. The joints provide protection against unwanted slipping of the pin from the socket. They are offered in 1/2", 1/4", 3/8" sizes. The NEO brand meets the requirements of professionals.