【Hardness】Proper hardness ensures that it will not be deformed or broken when strike something. 【Handle】Ergonomics handle can reduce the fatigue when long time using. 【PVC】Acid-proof, alkali-proof, non-spark percussion, suitable for petrochemical, coal mine and other occasions with high explosion-proof requirements. 【Bulit-in Steel Ball】PVC rubber, integral molding, steel hammer built-in steel ball. 【Safe Hammer】No elastic hammer, shockproof, no damage to striking objects., Weight: 1.7196056436 Pounds, Manufacturer: Hyuduo