This jewelry making kit comes with 8 different type jewelry findings (Total 710Pcs) Package with a clear plastic grid box, easy to store and apply, and convenient to carry for going out Come with Earring Hook , Ear Studs , Clip On Earrings Earwire , Extender Chain , Silica Gel Earring Back , Flat Head Pin , Close Jump Rings , Eye Pin Made of high quality plated iron material, not easy to rust The jewelry supplies kit is perfect for jewelry making beginner and professional. You can use this set to do your earring making, DIY bracelet and necklace, beading, jewelry repair projects. Specification: Material: Iron 40Pieces Earring Hook : length--19mm hole--1.5mm 30Pieces Ear Studs : length--4mm hole--1mm 10Pieces Clip On Earrings Earwire: 12x6x10mm hole--1.5mm 50Pieces Extender Chain : 50x3.5mm 100Pieces Silica Gel Earring Back : 4x4mm hole--1mm 140Pieces Flat Head Pin : 30x0.7mm 200Pieces Close Jump Rings : 5x0.7mm hole--3.6mm 140Pieces Eye Pin : length--3mm hole--2mm Box Size:14.5x7x2.2cm Package Includes: 1 Box of 710 Pieces Jewelry Making Accessory