Fine workmanship, plastic, durable and has a long service life.<br> Large flow, stable performance and high efficiency, easy installation.<br> Pumping speed is fast, can pump 20-30 L water per minute(depends on the rpm of drill).<br> Install all the drill chucks, you can use the electric drill to get the pump, easy an convenient to use.<br> Compact and light weight design, portable and easy to store.<br> The recommended speed is 1500-3500 rpm. The pump head and flow are related to the speed. The higher the speed, the higher the head and flow.<br> 1500 rpm, the pump head is about 1.5 meters, the flow is about 15L per minute.<br> 3000 rpm, the pump head is about 3 meters, and the flow rate is about 30L per minute.<br> Specifications:<br> Color: black<br> Size: Approx. 106*37*64mm<br> Material: Plastic<br> Net Weight: Approx. 218g<br> Inner Tube Diameter: Approx. 15mm<br> Transmission Shaft Diameter: 8mm Round Shank<br> Working Temperature: Approx. 5-49(41-120)<br> Direction Of Rotation: Clockwise<br> Package Included:<br> 1*Drill Pump<br> 2*Hose Clamp<br> 2*Connector<br> Notes:<br> Due to the difference between different monitors, the picture may not reflect the actual color of the product.<br> Please leaving a message before you give the bad feedback, if the products have some problems.<br> Please allow 1-3mm error due to manual measurement.<br> Thanks for your understanding.