Feature *Dial Indicator Holder& Size8mm diameter of rod. This Dial Test Indicator Holder is Suitable for connection with dial gauges. Very simple to use the tool, convenient to use the dial gauge for measurement work. *High performanceThis Dial Test Indicator Holder's material is high quality steel. Hard steel is treated with blackening, not easy to rust, and has a long service life. *Widely ApplicaitonConnect With Dial Indicator. The Half-Round Combination Holder is suitable for special scenes, used to find the center of a shaft or hole on a machine tool. Suitable for connection with dial gauges. *MultifuctionDial test indicator centering holder.Center cylinders or holes on a machine tools.High performance, Long life.Versatile holder for test indicators equipped with stems or dovetails. *NOTE:The actual product color may deviate from the photo due to light. There may be a slight deviation in the measurement of product. If you have any questions, please contact us immidiately. Specification: Material: Tungsten steel Quantity: 1pcs Diameter: 8mm Treatment process: blackening Application: connect dial indicator Package list: 1 * Dial Indicator Holder Note: The actual product color may deviate from the photo due to light. There may be a slight deviation in the measurement of product. _x000D_