... .25kg, 1.5kg, 2kg One pieced stone hammer: 1kg, 1.25kg, 1.5kg, 2kg3) German type Machinist hammer: 100g, 200g, 300g, 400g, 500g, 600g ... , 800g, 1,000g, 1,500g, 2,000g4) Engineers' cross pein hammer: 14mm, 16mm ... , 5lbs 11) Handle: fiberglass, hard wood, hickory wood, steel tubular German type Machinist hammer