1PCS 1M Stainless Steel Spiral Hollow Fin Heat Sink For Tubular Cooling Tube Heat Conduction Heating Fin Tube Drying Radiator Parts(ID 12mm height 7mm)
1PCS 1M Stainless Steel Spiral Hollow Fin Heat Sink For Tubular Cooling Tube Heat Conduction Heating Fin Tube Drying Radiator Parts(ID12mm height 9.5mm)