Rockin Beads Brand, 150 Cord Tip/ends Coil with Loop Silver Plated Copper, 8x2.5mm (Fit 1mm to 1.5mm Cord) 1.6mm Inside Diameter. Sold Per Pkg of 150 8x2.5mm (Fit 1mm to 1.5mm Cord) 1.6mm Inside Diameter. Rockin Beads Brand Package of 150 Rockin Beads (TM) Brand comes with Rockin Beads Size Gauge Card