Gardner ATTs Spare Magnet Roller Wheels

Increase the sensitivity of your ATTs Alarm with these interchangeable Magnet Roller Wheels, colour matched to all the LED colours.

With the 2 Magnet Wheel the Receiver beeps once per 1 cm of line movement. With the 4 Magnet Wheel the Receiver beeps once per 0.5cm of line movement. The ATTs is supplied with a Black 2 Magnet Wheel as standard.

Changing the Magnet Wheels couldn't be easier. Simply unscrew the current Wheel and screw-in a new one, as shown.