Each Mouthpiece comes as a set of 2
- 5/8" Frosted Balls - 5/8" diameter polypropylene plastic with a very slight surface texture. Larger than similar 1/2" diameter frosted balls that ship standard on QuadMouse.
- 5/8" Smooth Balls - Clear, very smooth, 5/8" diamter acrylic plastic. Have a nice feel against the lips.
- Tongue Cups - Ideal for people with no head movement to operate joysticks with their tongue. Machined from HDPE (High Density Polyethylene) plastic.
- Rubber Bulbs - Bend easily if bumped too hard for people with spastic issues to reduce the chance of injury or damage. Neoprene with aluminum threaded insert.