T-nut slot 5, Sliding block 4-way Slot 5 swiveled, Nut 5, M3, M4, M5 T-nut slot 5 block 4-way swiveled

To connect two profiles alongside, sliding slot 5 block 4-way swiveled without guide
T-nut Slot 5 swiveled with ball without guide M3 M4 M5 T-nut Slot 5 swiveled with ball without guide

Can subsequently be swung into the groove, the ball prevents sliding even in vertical mounting position
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