Wilton 20412 4 Pound Head, 12-Inch Unbreakable Hammer Handle Unbreakable handle technology Steel rods in handle eliminates breaking Hi-Viz drop forged 46 HRC steel head Anti-vibe Neck absorbs vibrations No-Slip grip of vulcanized rubber on handle Unbreakable Technology - Steel core eliminates breaking during overstrikes Hi-Vis Head - Drop forged 46 HRC steel head endures the most demanding applications Safety Plate - Secures head to handle preventing head dislodging Ergonomic Handle - shaped and thickened for improved comfort and less vibration No-Slip Grip - Vulcanized rubber handle for secure grip while striking. Lanyard Hole - Safely secure hammer to wrist or stationary object