Check the listing for details. 10pcs 2.5mm Tube OD Brass Compression Sleeves Insert Brass Ferrule Fitting. Condition: New. Listed at 8.05 USD. This brass compression sleeves ferrule is widely used in hose connection for hydraulic and pneumatic systems, HVAC, humidifiers, etc., suitable for connecting hose tubing.Specification:Color: Brass ToneMaterial: BrassHole Inner Dia: 1.8mm / 0.07 inchHole Outer Diameter: 2.5mm / 0.10 inchSuitable for connecting 2.5mm(ID) hose.Total Size: 4.00 x 10.6mm / 0.16 x 0.42 inch (D*H)Packing List: 10 Pack x Brass Ferrule FittingsAdvantage:The brass ferrule insert fittings are made of brass, it is durable and reusable.These ferrules have a smooth surface and provide a good seal, providing a secure connection for hose connections.Instruction:Insert the hose with appropriate diameter into the brass fittingNOTE: Please confirm the hose size before purchasing.