... .2MMSuface finishing:Immersion gold/Hasl LF/OSP/immersion tin/immersion silver.Business Type:ManufacturersPacking Standard export packing:1.Standard : bubble bag ... .10mm (4mil)23Surface FinishHASL, Lead free HASL, Immersion Gold/Tin/Silver, OSP, Flash Gold, Gold fingers, Plating Hard Gold, Carbonlnk, Peelable mask