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Rotary Hearing Aid Battery Dispenser — image 1
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Rotary Hearing Aid Battery Dispenser

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Holds six 312 size hearing aid batteries and dispenses them one at a time

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Thin rotary-style case for holding six 312 size zinc-air hearing aid batteries. Dispenses one battery at a time. Orient parts as shown and print in PETG.

Use care when snapping together -- snap bushing is (relatively) permanent. Rotate carriage several dozen times until movement is smooth before filling with batteries. Alternatively, sand or file carriage race to smooth out the seam before snapping together. 

Also makes for a satisfying fidget toy. 

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