Features1Made of stainless steel + engineering plastic material, durable in use 2 plastic body and stainless steel internal parts avoid corrosion 3Suitable for using with electric drill with output of 350W or more 4The water flow is determined according to the hand drill speed 5The water pipe end which is marked IN is the water inlet and marked OUT is the water outletSpecificationFeatures:Made of stainless steel + engineering plastic material, durable in use. plastic body and stainless steel internal parts avoid corrosion. Suitable for using with electric drill with output of 350W or more. The water flow is determined according to the hand drill speed. The water pipe end which is marked IN is the water inlet and marked OUT is the water outlet. Specification:Condition: 100% Brand NewMaterial: Stainless Steel + Engineering PlasticColor: BlueSize: Approx. 125*107*78.6 mm / 4.9*4.2*3.1 inInner Diameter: Approx. 15.8mm / 0.6inOuter Diameter: Approx. 21mm / 0.8inWeight: Approx. 400g / 14.1 ozPackage list:1 * Electric Drill Water PumpNote:1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.Package List