【Pearl White/Beige】【Blue】【Silver】 The PERIPRO-303 WH is a replacement ball for a trackball mouse with a glossy finish and an elegant feel. Diameter 34 mm / Body weight approx. 30g. Compatible with Perixx PERIMICE-517/717, as well as 34mm trackball mice such as Logitech M570 and Elecom. 【Glossy Finish】The glossy finish ball enables agile and smooth movement, increasing the sense of speed. Work efficiency is improved, and the burden of mouse operation is reduced. Suitable for gaming, large displays, and working with multiple monitors. *The photo of the Logitech M575 is posted as an installation image, but the trackball mouse itself is not included.