1) Material:45# carbon steel 2) Handle: wooden handle 3) Treatment: drop forged , heat treatment 1) Material: drop forged, 45# carbon steel2) Handle: PVC/TPR handle3) Head: heat treatment, mirror polished.4) Sizes:8oz,12oz,16oz,20oz,24oz we are the professional manufacturer of hammer.usually make OEM for china famous brand.Our hammer quality and price is all competitive.