This keyguard will fit the AbleNet BIGtrack 2 trackball and the BIGtrack Wireless trackball.
This item does not come with a trackball. This is to order the keyguard only.
The keyguard is made from 1/4th" clear acrylic. It is attached with 3M VHB adhesive for a permanent installation or Velcro for a removable installation (both included).