• 1 STO-K perforated tray reusable, long-lasting
• Perfect for anatomically unique cases
• Tailored for a medium upper fit
• Enhances material retention and prevents slippage
• Maintains tray shape for accurate impressions
• STO-K impression tray line

The GC America #U-2-O Perforated STO-K Tray - 263672. Need a sturdy, square-shaped tray that delivers detailed full-arch impressions especially in more anatomically challenging cases? The GC America #U-2-O Perforated STO-K Tray is precision-crafted for full-arch impressions in the upper arch, offering both strength and adaptability.

It?s ideal for situations where a standard arch form just doesn?t provide the right fit. If you're looking for the best square full-arch perforated tray for upper impressions, this STO-K style tray has you covered. Made from high-quality aluminum, it features a 2-1/2" buccal width, 2" length, and a 3/4" anterior depth giving you generous space without compromising support.

The perforated design locks in impression materials, ensuring excellent retention and reducing the risk of pull-back or voids. As one of the best STO-K aluminum trays for full-arch upper impressions, the U-2-O tray is built for durability and precise impression-taking. Its rigid structure ensures no distortion, even under pressure, making it a reliable choice for prosthodontic and restorative workflows.