High-performance chisel hammers for working with stone and metal. Non-slip rubberized grip for safety during use. Maximum performance with a hose inner diameter of 9 mm or more. The chisel is securely held in the hexagonal chuck. Includes a 4-piece chisel set with 120 mm for various applications. Additionally, a suitable attachment for use as a needle scaler is included. The needle scaler is designed for removing rust and cleaning surfaces. Comes with a small oil can, a nipple, and a tension spring.