Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon 0.5 mm Head Pin with ball by PERRIN Sale $3.85 | / SKU 31-29-5214 yellow gold fill - $3.85 sterling silver - $1.48 yellow gold fill sterling silver Metal Quality/Length Chevron down icon 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity Add to cart Spinner icon Notify me when back in stock Email address Email me when available 0.5 mm Head Pin with Ball these head pins measure 0.50 mm in diameter and measure 1.5 inches in length. These head pins are available in yellow gold fill and sterling silver.