Jacketed graphite core adds strength and durability in the handle while providing the "feel of wood" with overstrike protection. High carbon. Polished steel head is precisioned balanced. Rim temper reduces incidences of chipping or spalling. Ribbed-grip allows air to cool hand and channels sweat away. Patented head-to-handle assembly. Smooth handle-to-grip contour won't hang up on user's tool belt. Flared-grip end helps to prevents hammer from slipping out of user's hand.