Brass Compression Sleeves FerrulesProduct Details1.Instruction: Insert the copper pipe with the appropriate diameter into the sleeve, then fix it to pipe connectors with nuts.2.Advantages: The brass ferrule fittings are made of brass, good corrosion resistance. it is durable and reusable. These ferrules have a smooth surface and provide a good seal, providing a secure connection for pipe connections.3.Color: Brass Tone; Material: Brass; Sleeves Ferrule Size: 10mmx11.5mmx6mm / 0.39"x0.45"x0.24"(ID*OD*H); Insert Fitting Size: 6.5mmx9.8mmx14mm / 0.26"x0.38"x0.55"(ID*OD*H); Suitable for connecting 10mm pipe.; Packing List: 10 Pack x Brass Ferrule, 10 Pack x Insert Fitting4.Application: This brass compression sleeves ferrule is widely used in pipe connection for hydraulic and pneumatic systems, HVAC, humidifiers, etc.