Description: Box packed, delicate and pretty. Jewelry making starter kit including lobster clasp, jump rings, ribbon crimps, extender chain, crimp ends and drop end pieces. Great for necklace, bracelet, erring making and other DIY jewelry making crafts. Strong Stretch Elastic Nylon Beading Thread are in superior quality, perfect for making jewelry, earring, bracelets and necklaces, anklets, etc. Also can used as fishing line. Specification: Size: 5mm-20mm/0.19inch-0.78inch Material: Metal 20pcs Jump Rings: 5mm/0.19inch 20pcs Jump Rings: 6mm/0.23inch 20pcs Jump Rings: 8mm/0.31inch 20pcs Drop End Pieces: 7mm/0.27inch 20pcs Ribbon Crimps: 6mm/0.23inch 20pcs Ribbon Crimps: 10mm/0.39inch 20pcs Ribbon Crimps: 20mm/0.78inch 20pcs Extender Chain: 5mm/0.19inch 20pcs Crimp Ends: 5mm*9mm/0.19inch*0.35inch 20pcs Lobster Clasp: 12mm*6mm/0.47inch*0.23inch Color: Crystal Material: Nylon Diameter(Approx.): 0.25mm Length(Approx.): 70 meters (76.6 yards) Package Includes: Box of Jewelry Making Starter Kit + Roll of Crystal Cord Note: 1.Please allow a slight difference between the real item and the pictures due to the difference between monitors. 2.Please allow a slight amount and measurement error. Thanks for your understanding!