TRAY PERF ALMN 1/2 SZ 9.5X9.5X3TRAY PERF ALMN 1 2 SZ 9. 5X9. 5X3 Inner Trays for Steriset Containers Help Keep Tools Organized and Protected During Sterilization. These trays feature a perforated design that prevents delicate instruments from getting caught or poking through, plus handles extend to stand above the container (when extended) for the best aseptic presentation and ease of use. Perforated Lightweight Aluminum Trays for Half Size Containers. 10" x 9 1 2" x 3" (25cm x