Product Information 'CNS-1 Mechanic & Screw Set (GT-AIR)': Precision mechanics. This visor mechanism set is designed for the CNS-1 and CNS-2 visors. It features a spring mechanism that ensures a secure, draft-free closure of the visor. The set includes two base plates (left and right), two plastic washers, and four aluminum mounting screws. It is compatible with the SHOEI GT-AIR and HORNET ADV models. Ideal for those seeking reliable replacement parts to maintain the high performance and safety standards of their helmets.