Made to fit ALL KeyMod mounting surfaces with seven (7) consecutive KeyMod Slots Ultra-slim and radiused surface to allows a &';&';round&';&'; handguard feeling, from an Octagonal profile Aggressive Non-Slip or Non-Reflective surface Ventilated for cooling Bi-directional. Locking tabs on either end, depending which direction they are installed. Measurements: Length 5.550&';&';, Width 0.625&';&';, Thickness 0.100&';&';. Can be cut to any length, depending on users requirements. Made in the U.S.A. of a high-strength polymer material. Each Kit contains Five (5) matching color KeyMod Panel Strips.