Drives anchoring pins for concrete forms. 1-1/8 In. hex hammer steel. Internal lock for Bosch hammer model 11304 and external collar for pneumatic hammers. Not for use in concrete demolition.
After trying this product, I can confidently say it is a must-have for anyone involved in industrial drilling... The spike driver hammer is incredibly efficient and easy-to-use. The product is also durable and reliable. The drill bits were excellently constructed, with precision being given to the cutting edge..
I only have to give five stars because I don't use it as intended. Bought this thing as a post breaker to drive fiberglass posts into a series of fences. I believe this could work with T-Posts as well, if not better. It's very efficient and strong. I had to machine it to fit another style of jackhammer and the steel was slightly hardened and plated.