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The PRIME LINE PRODUCTS L 5775 is a six-pack of clear window grid retainer pins designed to secure decorative mullion grids over the glass area of wood windows. Each pin features a plastic body with a steel needle point, a 0.625-inch-long plastic shaft, and a 0.5-inch-long plastic retainer sleeve. The steel needle point provides positive engagement with the window frame while the clear plastic body stays visually unobtrusive. These pins are installed by glaziers, window installers, and general contractors working on residential window trim and grid applications.
These retainer pins are suited for mounting mullion grids on both stationary and operating wood windows across all types and sizes. They are a common fastening solution in new window installations and replacement window projects where decorative divided-lite grids are applied over insulated glass units. The clear color blends with most grid and frame finishes, making them appropriate for both interior and exterior window grid applications.
Designed for securing decorative mullions to stationary and operating wood windows of all types and sizes.
Window grid retainer pins are typically installed by window technicians or finish carpenters during new construction or replacement window retrofits. No special tools are required beyond hand pressure to seat the needle point into the window frame or sash. Ensure the mullion grid is properly aligned over the glass unit before pressing pins into position to avoid misalignment or frame damage. Follow window manufacturer guidelines for pin spacing and grid mounting procedures.
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