Thumb Turn with Indicator operates a standard Tubular Mortice Deadbolt or Bathroom Sashlock. The longer Thumb Bar provides a much better grip than standard bathroom privacy turns, making it easier to turn. Particularly useful for people with limited dexterity, arthritis and also for children. These Thumb turn with indicator is suitable for Bathroom doors,Toilet Door, Metal doors, Wooden doors,internal doors,washing room doors ect.