120pcs Rivnuts Threaded Nutserts Knurled Rivet Nuts Iron Blind M4 M5 M6 M8 M10. Shape: Square, Pyramid Head. These square studs are pyramid shaped having size of 6mm, 8mm, 9mm, 12mm. 8mm Round Nail Head Chicago Screws Back Stud Rivet Leather Craft Bracelets Belts.
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