HIVIZ Model 300 Two-In-One Magnetic Base Rib Shotgun Sight Fits: ribs from .218 to .328 (7/32 - 21/64 5.5mm - 8.3mm) It includes two fiber optic family LitePipes, one round, orange and green litepipe, and one triangular orange and green litepipe Color: green and orange Magnetic base sight Includes two LitePipes (orange and green round, orange and green triangle) Fits ribs from .218" to .328" (7/32" - 21/64"; 5.5mm - 8.3mm) Model TO300 1 Year manufacturers warranty