Features: brand new and high quality 14mm height dimension. Customized high life 1 million times. Relatively high precision, slightly for stronger scale. The encoder can be commonly used as long as the encoder of your mouse have the same height with it.(Distance from board surface to center hole) Deathadder Elite ，Deathadder 2000，DeathAdder Essential etc. Mouse，As long as the height is 14mm, it can be used universally! Specifications: Height dimension:14mm Core : Yellow Size: approx. 2.1x1cm/0.83x0.39in Package Includes: 1 x TTC 14mm Mouse Encoder note: Size for manual measurement, there may be a 0 to 2 for cm error, belongs to the normal phenomenon. And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!