Forged 4140 hammer bolster .this is used from either side when forging hammers . Hand forged to order and supplied in its normalized state.

punching and drifting is greatly improved and tool life extended by using non toxic forge ease forging lubricant 

https://frontstepforge.com/products/fuchs-forge-ease?_pos=2&_sid=d5ae2898b&_ss=r&variant=42673611473057

these tools are made upon ordering.