Phillips gripSTIK^® L-Trim provides a clean, sharp edge at door, window, ceiling, and other terminations. Install using standard industry. The many perforations and raised shoulder enhance strong compound adhesion and provide for a flush finish. Deeply knurled mud anchors and specially textured surface provide superior paint and mud adhesion. Phillips offers this product in 3/8″ (LT3VYL), 1/2″ (LT5VYL) or 5/8″ (LT6VYL) to suit all needs.