Amesbury Truth 11576.00.0520 Maxim Encore casement track with plastic slider shoe
Very common, used with Truth Maxim and Encore series window operators.

Track Length: 14-1/2 inches
Screw Holes: 3
Screw Hole Spacing: 6-1/2 inch
Track Material: Stainless Steel

Priced and sold each, Includes 11/16 inch square plastic/nylon slide guide with round hole center.

Truth Related Hardware and Parts:
11576.00.0520 Stainless Steel Track & Square Black Guide
11576.92 E-Gard Track & Square Black slide Guide
31877.00.0001 - Slide Guide
11576.93 / 41014 - E-Gard® Track Only
50.00-LH - Left Hand Maxim Operator
50.00-RH - Right Maxim Hand Operator
50.10-LH - Left Hand Encore Operator
50.10-RH - Right Hand Encore Operator

Additional Information:
Truth Hardware Dual-Arm Casement Window Operator Tracks are made of Stainless steel or steel with E-Gard® finish.
Designed to work with Maxim or Encore Dual Arm Casement Operators.
The operator track is used by several window manufacturers.
Recommended screws are #8 x 1 inch flat head sheet metal screws. Actual screw size may vary depending on application and window material.