Kensington Orbit Trackball Mouse Safety Shoes & Trainers and standard printed circuit board

and standard printed circuit board assembly

The square has a screw for locking blade at end of stock for improved accessibility

Tool - free blade change

also with 32 slots for size 1 cards for the date or time

Kensington Orbit Trackball Mouse Safety Shoes & Trainers and standard printed circuit boardThe Kensington Orbit Trackball Mouse works well for both right and left handed users to get the most out of their trackball. TrackballWorks software offers incredible customisation and Optical Tracking Technology provides precise cursor movement for superior accuracy. With a scroll ring and medium ball for precise tracking and control. A detachable wrist rest supports hand and wrist for ergonomic comfort. The trackball is compatible with Windows 10,