Roto OP05-7811 series Pro-Drive handle with protruding 5/16 inch Hex Head stem. This is a folding crank handle with a six sided hexagon spline designed to snap into a hexagon fitting inside casement or awning window operators.
Used with wood and vinyl awning or casement crank open windows with Roto Pro Drive operator.

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Standard Color Options:
Blue White - Extra bright white
G1 White - Bright white
G2 White - Creamy satin white
Earth Brown - Medium Brown
Almond

Priced and sold each.