Info: As inside this hammer the main body is steel structure, and is filled with high-hard steel beads for striking auxiliary and bumping absorption, it can strike accurately and stably. Further the outside of this hammer is covered with uniquely developed high impact-resistant synthetic rubber which is mainly to prevent sudden crack during application and to prolong the life of this hammer by feature of slow-wearing, especially when it is used in the occasions of acid and alkali. It's features of oil-resistant and oxide-resistan even superior. The outside covering material of this hammer is especially suitable for operation within wide range of temperatures. It can usually keep the features of application between-20°C and 50°C.