Nice hammer, I didn't realize the handle was a thin hollow tube (broken at the threads) with a metal rod in the middle. Poor design, good head but if you use this replace the handle if you use it like a 2lb sledgehammer which it is. I was just lucky that I swung this out from under my arm when it broke, which happened when I touched the surface of the drive shaft, the head wanted to turn. I tried to stop it by putting a pen to my head. but apparently the torsion the head created broke theβ¦