GARDNER ATTs 4 MAGNET WHEELS BLACK

ATT GARDNER ATTs 4 MAGNET WHEELS BLACK * 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. * With the 6 Magnet Wheel the Receiver beeps once per 0.33cm 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. * replacement roller wheels are available in a wide range of colours.