These products are professional cooling , they are made of plastic materials, light in weight, easy to install, and can be installed in any direction and angle. They are widely used in lathes, milling machines, machine tools, hydraulic machinery and water cooling systems. Features -Material: Plastic -Size: About 30.00X2.00X1.50cm/11.79X0.79X0.59inch (Small Size) -Size: About 40.00X2.50X2.00cm/15.72X0.98X0.79inch (Large Size) -The oil cooling hoses of these round nozzles are brightly colored and have a strong contrast. -The cooling have high production precision, and high temperature resistance. -They have stable performance. Strong flexibility, light weight, easy to install. -They are made of plastic material, strong and and can be used for a long time. -The professional structure design allows them to be well close to other accessories, helping to improve your work efficiency. Package list: 10 x cooling with