Thingiverse

Keychain Self-Defense Track Spike Knuckle

by cbaldasare2

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brass knuckles Defense Knuckles self defense spike brass knuckles Defense Knuckles self defense spike brass knuckles Defense Knuckles self defense spike

A keychain sized "brass knuckle." The thread on the top is to accommodate a track spike of choice. The thread size that I was able to find on standard track spikes is [12-32 THREAD - IN.DIA. .210"]. If this is wrong please let me know.

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Thingiverse

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