A high-quality gola set is suitable due to the quality of the materials used and the processing in a professional car workshop or service center. 10 year warranty. All parts are made of high-quality chrome-vanadium steel. Nickel finish. Bit tips are S2 alloy steel. The ratchets have a fine division of 72 teeth, the body of the ratchet is made of CrV steel, the tooth mechanism is made of S2 steel, and the handle is ergonomically shaped with harmless rubber. New design primary material plastic case with metal closures and lid hinges.