Model Number: Ballpoint pen springs-b25G Brand Name: Jiaxing Key Specifications/Special Features: Wire diameter range: 0.08 to 10mmCustomized orders are acceptedMaterials: adopts domestic and imported SWC, SUS, SWP, mild steel, manganese steel, phosphorus copper, nickel-plated, zinc-plated, tin-plated copper, nickel-plated steel, non-magnetic stainless steel, heat-resistant steel, duplex stainless steel wire (corrosion-resistant and heat-resistant steel wire), bronze, copper, phosphorus copper and beryllium copper)Alloy steel: 60Si2MNA, 60Si2CRVAand 55CrSi with EU and REACH marksRoHS Directive-compliantSurface treatments: plate gold, silver, white, red, yellow, blue, green, purpleand blackSalt spray test: more than 100 hoursAppearance: beautiful and brightPacking: plastic bags for inner packing with carton outside or according to customer'srequirementsWidely used in industries, auto-parts, electronic products and stationery