Features:100% brand new and high quality.Rugged, easy to use, your good assistant for work and life.Precise manufacturing, quality assuranceBuy once, use for a long time.Complete specificationsSpecifications:Type: Tightening rodMaterial: aluminumFull length: 75/100/140mmScrew: M14Threaded hole: 14mmBack padding:80 mm diameter, 14 mm threaded hole100 mm diameter, 14 mm threaded hole125 mm diameter threaded hole 14 mmPackage list:3x Extension rodNote: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.