Gc America COE Disposable Plastic Impression Spacer Trays have a unique zig-zag design that minimizes cusp contact with the tray. This provides the added benefit of being able to seat the tray to the correct depth, which allows consistent, quality impressions. These trays are sold in packages of 12 or 72. Features and Benefits:
Provides increased retention and maximum compression
No cleanup or sterilization minimizes risk of cross contamination
Minimizes contact of cusps to tray, ensuring sufficient bulk of impression around the teeth
Excellent stability; handle will remain intact when removing the impression