5700 Type Back Opener

[KayMan]

I'm considering buying one of the 5700 back openers but not fully understanding what I'm seeing in the photos that accompany the listings for these things.  Just what are those 8 white blocks of various shapes that sit behind the main body of the tool?

[jnash]

They come together on the base and the case fits in between then, usually in between the lugs giving a firm hold on the case so the top part can unscrew the back

 

They would sit where the white circular pins are in that picture

 

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[KayMan]

Ah, I see!  Thank you.

[chrisdt]

Recently received one of these as a present KayMan and it does the job rather well allbeit very large (almost a foot in height) Of course I have the higher quality Chinese version costing £99 instead of £702 for the sub standard Swiss version. Anyway would recommend.

[chrisdt]

Further on this Chinese case back opener....Did you ever buy one

?  Not had much occasion to use the vice that came with the kit but over Christmas unpacked it and this is what I found..... So is this Chinese import from the Swiss? (I doubt it)  Is it a Chinese copy? but they wouldnt put the (correct) Bergeon number on...Would they? It is excellent quality. It retails from Bergeon for almost as much as the complete outfit around £60

Edited December 30, 2018 by chrisdt
wrong image