This stainless steel jump ring pack is perfect for jewelry-making at all skill levels. Whether you're looking for reliable jump rings to start creating personalized jewelry or a seasoned pro adding to your stash, these are your next essentials. This 100 pack is available in 3 color options as well as 4 sizes including 4mm, 6mm, 7mm, and 8mm. ✦ Each pack includes 100 stainless steel jump rings ✦ Great for connecting chains, extenders, charms, pendants, and more ✦ Made with 316L surgical grade stainless steel that is strong yet customizable to shape to your designs quickly and efficiently Approx. thickness: 22g-20g-18g Approx. Width: 4mm-8mm