Truth 12784.00.0500 Casement Sash Bracket Stud Post with Snap Ring used by Weather Shield on their casement window.

Application: Casement Window Sash Bracket
Bracket Length: 3 inches (75.4mm) 2.97
Bracket Width: 1-1/16 inch (27.0mm) 1.062
Stud Post Placement: 13/16 inch (20.6mm) 0.812
Stud Post Type: Snap Ring, used with push on hinge
Handed: Yes, as shown
Material: Stainless Steel

Note:
Truth 12785 & 12784 Stainless Steel used by Weather Shield is the same size as Truth 11277.92 / 11276.92 and 11253.92 / 11254.92 with E-Gard Finish ( Screw holes may vary )