Durable Thick Wheel Hub For 3/5 Blades S/M Type Wind Turbine High Grade H Features: * brand new and high quality *Made of high quality material durable and practical to use *Light weight steady running easy install lower noise high grade steel long service life. *This hub is thick and will make a 3 or 5 blades combination *The hub is a key component of the wind turbine that connects the main shaft and the blade and is responsible for resisting wind load and transmitting torque Specifications: Name: Wind Turbine Hub Material: metal Suitable for: 3/5 blades Package Contents: 1 x Wind Turbine Hub Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.