Shop › IMPRESSION-TRAY WITH RETENTION RIM M - U4 - 6000/U4 Image 1 of 1 IMPRESSION-TRAY WITH RETENTION RIM M - U4 - 6000/U4 $15.00 Get notified by email when this product is in stock. Add To Cart Added! Anatomic dental impression tray with retention rim. Multiple sizes. Autoclavable and reusable. Product SKU: 6000/U4 Anatomic dental impression tray with retention rim. Multiple sizes. Autoclavable and reusable. Product SKU: 6000/U4