
I use this because I have a 3/4" jackhammer that has saved me more than once. Without this little adapter my 1/2 heads would be useless for this and I would have to buy all the sizes that i need for the crusher i should have and it will cost me quite a bit for each just yesterday i broke my square wrench in a socket i pulled out my crush bar put on the adapter put the right 1/2 in " socket and in the end it did a better job than the 4-way! I know I'll break the socket before breaking this adapter, but as long as it's tight, nuts are a doddle.

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