The HEXMAG HEXID Color Identification System in FDE (Flat Dark Earth) provides a patented solution for quickly identifying ammunition types and calibers in your magazines. This 4-pack kit includes matching follower and latch plate pairs made from durable polymer construction.HEXMAG HEXID Follower & Latch Plate Kit - 4 PackPatented color identification system for magazine organizationTool-less installation - change out in under 1 minuteAnti-tilt followers for reliable feedingMatching latch plate and follower pairsEasy to see base plate color codingStrong polymer constructionPerfect for shooters who use multiple calibers and need quick visual identification of loaded magazines. Helps maintain safety and efficiency by keeping different caliber magazines properly categorized and easily identifiable.