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This insulation fastener are used to fasten the insualtion to the sheet metal of air duct. We are producing them every day, we have 1/2" 3/4" 1" 11/8" 11/2" 2"We are a manufacturer of weld pins and other metal parts, fasteners, screw machine products, stampings, castings, CNC machining. The weld pins is my main product. If you have any new product ideas or concepts, please contact us. We look forward to cooperating with you and providing satisfactory products.
