Embedding Ring, White, 4/500/cs | Quantity - 1x CSDynarex LabChoice Embedding Rings are designed to securely position and hold tissue sample blocks, allowing for direct embedding. The Rings are crafted to easily fit microtome chuck adapters for sectioning. Made from high quality plastic, the disposable Embedding Rings feature an etched writing surface for clear labeling and identification. 500 per box, 4 boxes per case