The CBE Metal Sight Scales is compatible with CBE’s Trek, Trek Pro, Engage and Vertex Series Sights. They will also be compatible for any older model CBE that accepts a Metal Engraved Scale System.

-Provides Accurate Marks For Distances Out To 100 Yards
-Simply sight in at distances of 30 and 60 yards and use the laser engraved sight scale included to determine which of the 16 sight scales to use one