manganese alloy hammer hardness
have more than 4-5 times compare normaly cemented carbide hammer
but price same

1.100% newly product  

2.   professional OEM     customize   prouduce     if  you have interesting   please   contact me

3. high quality  low price 

usally  used      crushing     mining  sand    rubble     cement

4.various type

 5.  if  first  trial order  pices  more than 20 ,  then  enjoy  discount