Check the listing for details. 925 - Sterling Silver Head Pins & Eye Pins. Condition: New with tags. Listed at 6.59 USD. 925 Sterling Silver Pins ........ Top Quality - Guaranteed Genuine. (over 45 sold before new listing had to be created) The variety of Head Pins and Eye Pins offered here are all well-made, 100% sterling silver components which I have personally used and sold for many years. When taking the time to create a beautiful piece out of gemstones, pearls, precious metal, or very fine glass, why compromise the look, or the quality by using anything other than genuine sterling silver. Sterling Silver always makes the difference! The Head Pins & Eye Pins come in a range of sizes, and gauges to compliment the project you are currently working on, and are packed in quantities that allow for better small project usage, or bulk packs for great dollar savings economy. The following is an approximate conversion from gauge to diameter in millimeters:18g - 1mm 20g - 0.81mm 22g - 0.64mm 24g - 0.51mm 26g - 0.4mm 28g - 0.32mm Select the Pins right for your project from the drop-down menu, then click the appropriate item on the drop-down menu beneath your selection.