JET 740582 USH-416 Super Heavy-Duty Indestructible Handle Sledge Hammer, 4 lbs., 16″, Solid Steel Handle-(Each)

Spring steel rods encased in vulcanized rubber provide the ultimate striking tool handle
Handle absorbs impact and vibration, reducing user fatigue
Will not break, bend, or split even after repeated overstrikes
Patented locking plate makes head separation impossible
Provides unparalleled grip in all conditions and is resistant to most industrial chemicals
Drop forged heads heat-treated to HRC 52-57
Developed for the mining industry, these hammers are ideal for use in applications where a failure is more than just an inconvenience