Wired Rollerbar, 2800dpi
From Amazon
Contour Rollermouse Red | Award Winning Ergonomic Mouse | Computer Mouse with Wrist Rest | 7 Buttons | 2400DPI | For Windows and Mac
Conrad Electronic
Contour Design RollerMouse Red Ergonomic mouse USB Black, Silver 7 Buttons 2800 dpi Ergonomic, Gel wrist support mat, Built-in scroll wheel
OnBuy
Contour RollerMouse Red