I have a set of strap clamps for my mill. I can't remember where they came from - probably Ebay - and the angle of the blocks is 60 degrees. Eric measured his set from General Tools for me, and that was also 60 degrees.
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However, I also have several loose components that come from DE-CO in the US, and the measured angle on them is 57 degrees. The two lots 'sort of' fit together, but not as well as I would like.
The DE-CO bits are different sizes than those in my kit and nice to have because every so often a few more clamps or step blocks are needed, so I would like to continue using them. I have priced a strap clamp set out of the US but being their domestic manufacture, the price is significantly greater than an import set - and freight makes things worse.

The question for the Forum is what angle are your step blocks/ strap clamps, and if they are 57 degrees, where did you get them?

Thanks, Michael
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