THE BIG TIMER
The Big Timer has 60 minute countdown. Timer with ringing bell, wind up clockwise one full turn to "0" to set spring for alarm. Dial back counter clockwise to set red pointer at desired minutes. Ringing bell will sound when time has elapsed. Large, strong magnet on back lets you easily attach timer to magnetic whiteboards, steel filing cabnets, steel lockers, refrigerators, etc. Hand hold, place on table or chalk tray. 7.5" diameter.