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My 10-15 years old little juice extractor has a problem and i want to open it up to see what i can do. It has 2 very peculiar screw heads. Does anybody know what they are called? It start off with a full pentagon and then from each corner there’s a full triangle going out.

You may have to find a Braun Multiquick-3 MPZ9 Tamper Proof Screwdriver. It’s not easy.

@zamolxe , it is some kind of 5 Node security screw/ 5 lobe pin screw, you may get it to turn out with needle nose pliers or small side cutters(wire cutters)using as pliers. Good luck. I hope this helped you out, if so let me know by pressing the helpful button.