Biltbest Imperial L Hand casement operator kit Size:23" Standard operator cut-out begins at

Standard operator cut-out begins at 4" from the edge - (please specify if different size)

The 2 original operator housings are pictured

Biltbest 1980's and 1990's replacement casement hinges

Rockwell and other window brands

1993 to current

Biltbest Imperial L Hand casement operator kit Size:23" Standard operator cut-out begins atUsed only for 1960's and 1970's Biltbest casements (233DC stamped on the underside of the metal operator housing) The 2 original operator housings are pictured, which are no longer available click the photo below to view the new replacement operator kit Will not work for awning type windows **Order the new kit based on the visible glass width only** L Hand will have the window teardrop lock handles on the left side from the interior looking out The