Description: Jump rings set comes with 1245 pieces different sizes silver open jump rings, 20 pieces lobster clasps, a chain nose pliers, a tweezers and a jump ring tool opener for jewelry making and repair. Jewelry tools and accessories all in one kit. ASSORTED SIZES JUMP RINGS These open jump rings are in sizes 4 mm, 5 mm, 6 mm, 7 mm, 8 mm, 10 mm. A nice variety of different sizes to meet your craft projects JUMP RING OPENER TOOL The jewelry making supplies includes a jewelry pliers and a brass ring tool so you can easy open and close the jump rings to repair your earring hooks, necklace and other jewelry supplies. EASY TO OPERATION With the help of the tweezers to pick up the small accessories, you can use the needle nose pliers to clamp the jump ring, and put the jump ring into the seam of the ring tool. STORED IN A NICE PLASTIC CONTTAINER All the lobster clasps and open jump rings are packed in a 7-grid plastic jewelry organizer case that makes it convenient to carry and use. Specification: Box Size: Approx. 8.7 x 5.5 x 0.7 inches Package Includes: 20Pcs Lobster Clasps (Silver) 400Pcs 4mm Open Jump Rings (Silve) 300Pcs 5mm Open Jump Rings (Silve) 200Pcs 6mm Open Jump Rings (Silve) 180Pcs 7mm Open Jump Rings (Silve) 100Pcs 8mm Open Jump Rings (Silve) 65Pcs 10mm Open Jump Rings (Silve) 1Pcs Curved Tweezers 1Pcs Chain nose jewelry pliers 1Pcs Jump Ring Tool Opener 1Pcs 7-Grids Plastic Jewelry Box