M42 Ext tubes anyone?

Bought these a few years back and the description just said pentax extension tubes. They are M42 and of no use to me. There in, I would say, unused condition, the mark on the bottom thread is from me testing the fit in a batterd M42 mount today, the thread works perfect. The box has seen better days though! There very well made. Automatic.

I dont need 'em, I'm open to offers or swaps.

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I'm only 4fut3, but I look a lot bigger from a distance

MZ-7, K-10,K-7 and K5IIs, all gripped. Pentax 21 and 40Ltd's. Pentax 18-55wr, 28-80, 50-200 and 80-320. Sigma 50mm EX Macro and Sigma 50-150 F2.8 EX DG HSM. Pentax AF540. A sexy little Q with 8.5mm Prime. And a cup with a gorrila on it, it's also chipped a little, but holds tea perfectly well.


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