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Used 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 kit includes a detailed 9 step pictorial instruction sheet
30 -40 minute average installation time
