Yes, both the Roller Joystick 11 and the Roller Joystick Plus are supplied with three handles, a standard conical handle, a soft-ball handle and a T-bar. These handles are simply fitted by pushing onto the joystick shaft.

No, they are all powered directly via the mouse port.   

Yes, They are supplied with a USB cable and a USB to PS2 adaptor. Fitting the PS2 adaptor automatically sets the unit to PS2 mode.

Yes, the Roller11 range has three 3.5mm jack sockets for this purpose, whilst the Plus range is supplied with a switch adaptor box that plugs into the end of the device.

On the Roller11 range this is achieved by using the mouse cursor speed adjustment on the Windows control panel. If the user requires, for example, a much slower cursor speed than can be achieved by this procedure, the Roller Plus range should be considered. These units have a cursor speed button that allows a greater variation of cursor speed.

Yes, by simply unscrewing the guard retaining screws.

Yes. Two fixing captive nuts are supplied on the base of the unit.

No, this feature is only on the Plus units.

Yes

No, they are hardware compatible with mice, therefore work with standard mouse drivers. 

Please see the PDF document for application note 

Additional Information: 

Yes, In USB mode the units work on iMacs and the USB port of PC’s, and in PS2 mode on PC’s.