The Arai Pinlock Insert is for use with the RX-7, GP, Chaser V, Axces II and Quantum Helmets.Moisture absorbing plastic constructionEnsures that the surface below remains drySilicone seal that creates a double shield systemCompatible with the RX-7, GP, Chaser V, Axces II and QuantumThe Arai Pinlock Insert is extremely tough and durable and offers outstanding optical clarity.Pinlock is well known for it s patented anti-fog technology in the global market and is expanding. Pinlock lenses have a silicone seal which creates a double shield system between the helmet face shield and Pinlock insert lens. There is a slit on the side which keeps the insert lens steady and tight between the face shield and pin. There is also a dry hydrophilic technology like membrane surface that absorbs moisture.PLEASE NOTE: Clear visors and light smoke/tinted visors are road legal, all other dark smoke/dark tint, colored and iridium visors are NOT road legal and intended for race/track use only.