I made 4 or 5 of these when i worked in the wood shop each were a lil' bit differnt diementions but basicly the same design it comes in handy sometimes when something needs to be beat on.
one of my buddys calls it "thor"
the master lock is just for comparison.
just thought i would contribute too your thread
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81 camaro 355 4/spd 342 posi my first love

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67 swb step 454/4spd ott 373 posi 4/7 drop.
2000 s10 zr2 little blue truck that never gets stuck.
'74 heald super bronc vt8. tecumseh powered moon rover.