Material: Die Cast
Casting Number on the crank handle (short style): 40085 (Truth Hardware)
We only carry long-style handles from Truth Hardware - all handles fit all operators.
For use on any geared or crank style Truth window or door operator (5/6" spline or spindle size).
Also sometimes known as an 5/16" or 11/32" spline or spindle size
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).