Casement Window Operator Stud Brackets, Type "C" as Shown Below. Stud Brackets are "handed" and Sold and Priced Only Service Set Packs Consisting of Two (2) Left and Two (2) Right, Handed Units.  Baked enamel finish for corrosion resistance. Bracket mounts to bottom of sash for attachment to the short dyad arm of operators for proper and smooth operation of the sash. NOTE: There are several styles so please review before ordering.

Casement, Marvin Case-Master and Caradco Old Style Window Casement Hinge Arm (Pair). This Casement Window Hinge Arm Assembly (Per Pair) # 24-EP/24-ER as shown. These hinges are used on the older models which slide in a track that is about 10" long. Some of the 10" tracks have a spring steel wire ring on the hinge track post and some use the clip. 

Interlock Casement Window Hardware Replacement Parts | Die-Cast Bracket as shown with arm, stainless steel connect arm notched out. See Diagram for all measurements before ordering. 

Old Norco Window Single Arm Roto-Gear Operators, old style Norco Casement Window Replacement Parts, as shown. Recommended for use on Norco narrow casements and awning windows, or for round top, arched top, and trapezoid windows that use a butt hinge.  Sash weight should be limited to 40 lbs. to insure ease of operation. Can also be shipped complete with # PP-454 crank handle, # PE-341 gear box cover and screws if desired? Used with # PF.75 hinge and # OE-706 track (sold separately).