The GS25 series are ruggedized professional trackballs. The ball and the trim are made of quality stainless steel. The double-sided seal ring provides sealing to IP65 static (ball in rest). Stainless steel shafts and bearings ensure a solid and precise pointer control. The unit has been designed to be back of panel mounted as part of OEM keyboards and consoles. The GS25 is an ideal pointing device for applications with restricted mounting space.