prospect st

Thanks for contacting us! This window operator appears to be an exact match for the 39-342 Roto Dual Arm Casement Window Operator, the opposite version is the 39-341. These operator are compatible with the 39-232 Roto Folding Crank Handle.

I've tagged a few of the other compatible hardware pieces below for your review as well.

Alternate image for 39-342

Side profile view with measurements