Photo 1 of uxcell 4pcs Knurled Clamping Knobs M5 x 15mm Metric Zinc Plated Carbon Steel Male Thread Thumb Screw on Type 16mm Plastic Round Head Threaded Hand Bolt Stud Knobs Black

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Photo 1 of uxcell 4pcs Knurled Clamping Knobs M5 x 15mm Metric Zinc Plated Carbon Steel Male Thread Thumb Screw on Type 16mm Plastic Round Head Threaded Hand Bolt Stud Knobs BlackPhoto 2 of uxcell 4pcs Knurled Clamping Knobs M5 x 15mm Metric Zinc Plated Carbon Steel Male Thread Thumb Screw on Type 16mm Plastic Round Head Threaded Hand Bolt Stud Knobs Black