Inquiry (采购产品): ball bearings I need 7mm ball bearings to replace check balls in Solenoids from volkswagen model O-96 auto transmission. Originals are copper coated. Can you supply such copper coated 7mm balls? Do any of your team know if copper coated balls must be used? Can I substitute regular 7mm steel balls in solenoids valves that hold less than 100 psi? Can you supply? Thank you very much. **** Hidden Message ***** Skip Lawrence 21793 USA Company: Mark 1 vintage wagens E-mail: slawrence@aol.com **** Hidden Message ***** slawrence@aol.com