Made of stainless steel and engineering plastic material, this durable water pump is designed for use with electric drills. The plastic body with stainless steel internal components helps resist corrosion. Suitable for electric drills with an output of 350W or higher. Water flow is controlled by the drill's speed. The water pipe end marked IN is the inlet, and the end marked OUT is the outlet. Condition: Material: Stainless Steel + Engineering Plastic Color: Blue Size: Approximately 125 x 107 x 78.6 mm (4.9 x 4.2 x 3.1 inches) Inner Diameter: Approximately 15.8 mm (0.6 inches) Outer Diameter: Approximately 21 mm (0.8 inches) Weight: Approximately 400 g (14.1 oz) Package Includes: 1 x Electric Drill Water Pump Note: - Please allow 0–1 inch variation due to manual measurement. - Monitor settings may cause color variations; actual product color may differ slightly from images.