Fits "Truth" and "Wright" windows mechanisms which are used by many    window companies.
The word "Truth" or "Wright" will appear on the arm outside the window that connects the operator to the bottom of the window.

Made of metal. Will not strip, fade or break like plastic.

Some brands that use this hardware are:Acorn, Avon, Biltbest, Caradco, Certainity, Craftline, Crestline, eagle, Harvey, Hurd, Johnson, Louisiana-Pacific, MW, Malta, Marvin, National, Norco, Nordic, Pozzi, Row, Semco, Vetter, Weathershield, Windsor.

When determining color of handle, try to match plastic cover, not the original handle.
Replace those problem crank handles that interfere with blinds, shades & shutters.
T-handles give adequate leverage, yet fit close.