Features: 1> With outside diameter from 1.0 up to 32mm2> Made of iron, SUS, copper, aluminum and alloy steel3> Extensively used in computer peripherals and other correlative areas4> High quality and multiplex designs5> OEM is provided Inner packing:Plastic bags Outer packing:CartonsPayment: 30% payment after order, 70% balance remitted before shipment producing area:China payment:T/T, L/C supplying capacity:17,000,000pcs/month