Operators

Left Handing and Right Handing (SEE DROP-DOWN MENU) Old Style Kolbe Dual Arm Casement Window Replacement Hardware Parts - Standard, 4 7/16" B Arm, Old Style Crank Operator Unit Replacements -Casement  Roto Gear Crank Unit Repair Parts - Part # KK-CO-RPI, Covers and Handles Not Included - They Are Sold Elsewhere on this site. 

SPECIFY "B" Arm Length if you need 2 7/8" or 3 3/4" in comment section at Checkout.

Truth, EntryGard, Old Style Casement Window Crank Operators - Flush Mount 

Some Old Stamping Numbers May Include: P 233 DC  P 234 DC | P233DC | P234DC | P 233 D.C. | P 234 D.C. | 237

Marvin Old Style Single Arm Operator, Entry-Gard Style Roto-Gear - Recommended for use on narrow windows, or for round-top and trapezoid windows that use a butt hinge.  Sash weight should be limited to 40 lbs. to insure ease of operation.