This Century Directional Gyro 52D54 Sigma Tek Model 4000C 1U262-003-14 is a top-of-the-line aviation accessory that ensures precise navigation in the skies. With a brand name like Sigma Tek Inc., you can be assured of its quality and durability. This gyroscope is designed to provide accurate readings and is suitable for use in various avionics systems. In addition, this item comes with a 30-day warranty and is not a modified item. It is perfect for those seeking a reliable and high-performing aviation accessory.