German type GS certification stone hammer

Stoning hammer head:
1. 45#carbon steel
2. Drop forged
3. Heat-treatment
4. Hardness: HRC45--55

Handle:
1. Kinds of wooden handle
2. Plastic-coating handle
3. Fibre glass handle

Size(g): 800 1000 1250 1500 2000 3000 4000 5000 6000 8000 10, 000

Head surface:
1. Full polished
2. Different colour painted
3. Logo as requried