Yosoo 12pcs Plastic Flexible Water Oil Coolant Pipe Hose CNC 1/4" + Switch Thread External Size: 1/4" PT Total Length: Approx. 11.9 inch / 30 cm With plastic flexible body and light weight design,it is very easy to install with any direction and angle. Widely used for lathe, milling, CNC machine, hydraulic machinery and water cooling system. Package included:6 pcs * Round Nozzle Water Oil Coolant Pipe Hose + Switch; 6 pcs * Flat Nozzle Water Oil Coolant Pipe Hose + Switch