The CNS-1C Base Plate set is designed for the GT-Air 3 helmet, offering a secure visor mechanism with its spring-assisted, tension-tight closure. This set includes two base plates (left and right) and two plastic washers, ensuring the visor remains firmly in place during your ride. Easy to install and designed for a perfect fit, the CNS-1C Base Plate set provides long-lasting durability and reliability for maintaining the performance of your helmet. Please note: screws are not included.