This TBS25F2 trackball uses the compact 25mm industrial grade trackball with black phenolic ball.
Furtheron, the unit features a stainless steel carrier plate, a stainless steel trim protecting the trackball sealing and two stainless steel, sealed switches. A silicone sponge which seals the unit onto the customers' panel is part of the supply. Its compact dimensions make these trackball units ideally suited for all harsh industrial applications, kiosk consoles, navigation controls, etc… where minimal mounting space is required while maintaining excellent vandalproof and good sealing characteristics.