Rockin Beads Brand,28 Sets Steel Tone Cone Screw on Spike Rivet Studs 9x7mm Approx 1/3 Inch Spike Punk Gothic or Leather Work Scew on Rivet Studs Great for custom leather work 28 Sets 9x7mm Approx 1/3 Inch screw back Rockin Beads (TM) Brand comes with Rockin Beads Size Gauge Card