Tubular Rivets, Hollow Rivets Handan Tianjia Fastener Co., Ltd. Base Info Model NO.:TJ072RMaterial:MetalSurface Finishing:Zinc PlatedCertification:ISO, GS, CEPerformance:Eco-FriendlyCustomized:Non-Customized3.2-6.4:3.2,4.0,4.8mm Description Pre:Stainless Steel 4inch End Cap Lid with DIP Tube Use for Bho Closed Loop Extractor Next:Long Length Nickle Plated Pin Nut