[730PCS JEWELLERY ACCESSORIES]: 200pcs tube brass crimp beads, 100pcs iron bead tips, 100pcs brass crimp beads covers, 100pcs wire guardians, 200pcs jump rings, 30pcs lobster claw clasps, 1 roll tiger tail craft wire.[MATERIAL]: Jewellery findings are made of brass, iron and alloy, durable and sturdy, not easy to rust.[LARGE QUANTITY]: Totally 730pcs 7 styles jewelry supplies for diy jewellery making crafts,perfect for DIY earring and jewelry making.[SIZE]: Tube beads: 3x3mm(0.12x0.12inch), hole: 2.5mm, bead tips: 8x4mm(0.312x0.16inch), hole: 1.5mm, crimp beads covers: 4mm(0.16inch), Hole: 1.5~1.8mm, wire guardians: 4.5x4x1mm(0.18x0.14x0.04inch), Hole: 0.5mm, jump rings: 5x0.7mm(0.2x0.07inch); inner diameter: 3.6mm, lobster claw clasps: 10x6mm(0.4x0.23inch), Hole: 1mm, tiger tail craft wire: 0.45mm, about 164.04 Feet(50m)/roll.[EASY TO USE]: Crimp beads covers are matched with bead tips to be used with beading wire/cord to secure the start and finish of the strand by crimping the crimp beads. Wire guardians are the perfect finishing end for the use with Tiger Tail or other jewelry beading wire to prevent breakages occurring at the pressure point formed when doing the final crimping.