Pandahall 100pcs 2 Inch Silver Plated Brass Open Eye Pins Eye Pin 21 Gauge for DIY Jewelry Wrapping Looping Making 100pcs Metal Plated Brass Eyepins for Jewelry Making Size: about 5.0cm long, 0.7mm thick, hole: about 2mm. This eyepin is great for making small connector or make your own beaded chain. Eyepins are a jewelry design staple. Once the eye pin is strung through the bead or pendant, its eye can be used to link it to other components of the jewelry and the excess wire peaking out. They are lengths of wire featuring a simple loop at one end, so you can easily create beaded links and dangles for your designs. The other end can be finished with loops and wraps.