Use this knob when you want to make the window more difficult to open quickly.
Minimizes damage to over cranking operators. Great for commercial windows, institutional windows and children's rooms to prevent damage.
For use on any geared or crank style Truth window or door operator (5/6 in. spline or spindle size - also known as an 11/32 in. spline or spindle size)
Material: Die Cast
For use on any geared or crank style Truth window or door operator (5/6 in. spline or spindle size - also known as an 11/32 in. spline or spindle size).
This crank handle is a snap-on style handle. It doesn't have a set screw, but two springs instead. It can be easily removed by pulling.
The #11403 ADA Operator handle has a larger diameter, and longer contour shape to make it easier for a person with limited mobility to crank open/close a casement or awning window.
Material: Die Cast
This operator handle has a larger diameter knob end and longer contour shape to make it easier for a person with limited mobility to crank open or close a casement or awning style window.
Fits all Truth Hardware roto crank style casement and awning operators.
ADA (Americans with Disabilities Act)
For use on any geared or crank style Truth window or door operator (5/6 in. spline or spindle size).
Also known as an 11/32 in. spline or spindle size.