... hammer: 21MM,23MM, 25MM, 27MM2) Australian type Stone hammer: 1kg, 1.25kg, 1.5kg, 2kg German type stone hammer: 0.8kg, 1kg, 1 ... One pieced stone hammer: 1kg, 1.25kg, 1.5kg, 2kg3) German type Machinist hammer: 100g, 200g, 300g, 400g, 500g, 600g, 800g, 1 ... .25lbs, 2lbs, 3lbs, 3.5lbs, 4lbs, 4.5lbs, 5lbs 11) Handle: fiberglass, hard wood, hickory wood, steel tubular