Specifications: It contains10 different style jewelry findings: open jump rings, lobster clasps, head pins, screw eye pins, crimp beads, earring hooks, iron ribbon ends, ribbon clamp crimps with Loop and pinch clasp bails dangle charms. All the accessories are necessaries for jewelry making beginners and professionals. It can also be used to make or repair your necklace, bracelet and other crafting job. There is a 10 girds case for you to carry those accessories, which is very convenient. The jewelry supplies kit is suitable for both professionals and starters to making, fixingor repair your earring, necklace, beading, bracelet and other jewelry. It is a great kit that perfect for DIY crafting, beading, jewelry repair and fashionable jewelry making. Type: Jewelry Making Supplies Kit Material: Metal Features: Various Styles, Portable, DIY Jewelry Making Size Details Iron Ribbon Ends: 10mm/0.4" (Approx.) Earring Hooks: 20mm/0.79" (Approx.) Lobster Clasps: 7mm x12mm/0.28" x 0.47" (Approx.) Crimp Beads: 2mm/0.08" (Approx.) Pinch Clasp Bails Dangle Charms: 9mm/0.35" (Approx.) Open Jump Rings: 8mm/0.31", 4mm/0.16" (Approx.) Ribbon Clamp Crimps With Loop: 7mm/0.28" (Approx.) Screw Eye Pins: 4mm/0.16" (Approx.) Head Pin: 22mm/0.87" (Approx.) Brass Ring: 7mm x 18mm/0.28" x 0.7" (Approx.) Package Includes: 30 x Lobster Clasps 275 x 4mm Open Jump Rings 130 x 8mm Open Jump Rings 20 x Earring Hooks 20 x Iron Ribbon Ends 200 x Crimp Beads 20 x Pinch Clasp Bails Dangle Charms 50 x Ribbon Clamp Crimps With Loop 70 x Screw Eye Pins 70 x Head Pin 1 x Brass Ring 1 x 0.5mm Transparent Elastic Wire 1 x 0.45mm Steel Wire 1 x 2mm Black Leather Cord 1 x 0.5mm x 50mm Steel Ring 1 x Bent Tweezer 1 x Toothless Niddle-nosed Pliers