Keystone Stainless Steel Impression Trays, Partial Perforated, Assorted Set 109 (#30, #31, #32, #33), Set of 4

These stainless steel impression trays are designed for use with alginate and other impression materials, providing detailed reproduction and dimensionally stable results. The partial perforated design locks impression material in the tray to prevent distortion during removal, while uniform thickness ensures superior rigidity for consistent outcomes. This set includes four assorted trays: #30, #31, #32, and #33, covering upper and lower partial applications.