8 Styles Pins: package includes 560 pcs pins in 8 styles, each styles 70pcs; sufficient quantity and various sizes can meet your different needs in DIY projects. All metal pins are packed in a clear plastic container box for easy use and storage. Size Details: eye pin--length 30mm/40mm/50mm(1.1"/1.5"/1.9"), pin 0.6mm/0.7mm(23 gauge/21 gauge), hole 2mm; head pins--length 30mm(1.1")/40mm(1.5"); ball head pins--30mm/40mm; metal pins for jewelry making bulk assortment. Design of a Loop at End: its eye can be used to link it to other components of the jewelry, you can easily create beaded links and dangles for your designs. The other end can be finished with loops and wraps. Usage: Eye pins are great for making small connector or making your own beaded chain. Simply slide beads onto eyepin and string the beads together, when the eye pin passes through a bead or pendant, its eye can be applied to link it to other components of the jewelry.