... + Falling weight at 20kg + Easy to maintain + High effective Wrought Iron forging hammer is widely used for general forging works, such ... , bending and twisting. It is also used for forge in bolster dies. Power hammer is also called forging hammer, air ... , 20kg, 25kg, 40kg, 55kg, 75kg ,150kg mainly for artistic wrought iron, artistic forging, blacksmith, agriculture tools and small open die forging ...