Use these beautiful head pins to hang beads & gems with larger drilled holes from earrings, necklaces, anklets and bracelets. Measurements: 1.5 inches long. Ball head is approximately 1.5mm in diameter. Gauge of wire is 24 gauge which is equivalent to .020 inches. Quantity: 10 Head Pins. Quality: These head pins are 14/20 Gold-filled, which means that the outer 5% of each item is 14K Gold. This is hundreds of times thicker than electroplating, which can be measured in mere microns.