Cleaning Debris: The sharp steel tips clear dirt, broken glass fragments, and contaminants out of the rock chip or break before resin injection.
Probing: Technicians use the probe end to flex the glass slightly or check the depth and legs of a crack. This will help to fill repairs completely
Creating Bullseyes: Double-end designs often feature a straight point and an angled tip (such as 90 degrees) which can be tapped to terminate and isolate long cracks.