• The CBE Metal Sight Scales are compatible with CBE’s Trek, Trek Pro, Engage, and Vertex Series Sights
• They will also be compatible with any older model CBE that accepts a Metal Engraved Scale System
• Scale letters A through O

Features: 

• 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