Because I needed to know which of the four dies in the jaw of my IWISS SN-2549 crimper was the right one for 24 AWG ribbon cable:
It turns out either of the two middle slots should work, but the crimps look better in the smaller one.
Admittedly, the instructions are thin on technique, but I only wrecked four pins while retraining my crimping hand. The key trick is indexing the insulation fingers on the step inside the jaw, thus putting the socket box or the male pin outside where it won’t get smashed flat. Squishing those fingers from their normal splayed condition into a rectangular shape helps fit them into the jaw against the step.
Living in the future where the right crimping tool doesn’t cost five Benjamins is great …
The Smell of Molten Projects in the Morning 
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One response to “IWISS SN-2549 Crimping Tool Instructions”
I purchased the similar(?) DX Engineering crimp tool, plus die sets for various connectors. There was the usual learning curve, though the LMR-400 crimp was about the easiest one to do. Anderson Power Pole connections had a few sacrificed before I got the technique down.