Features: • Indestructible hammers have spring steel bars running the length of the handle • Bars are locked with the hammer head using steel locking plates and a special bonding process to ensure that the head never gets dislodged • Ergonomic rubber grip handle absorbs shock and vibration, reducing fatigue • Hammer head is forged from special steel and is induction case hardened for extended life Specifications: ATD-4047 32 oz. Ball Pein Hammer • 14” Handle length • (2) Spring steel bars ATD-4063 2.5 lbs. Cross Pein Hammer • 16” Handle length • (4) Spring steel bars ATD-4064 4 lbs. Sledge Hammer • 12” Handle length • (4) Spring steel bars