HJ-34P C10 Pinlock Insert ClearFog Performance Level: Pinlock 70 Technology: Anti fog MaxVision Lens colour: Clear (all day use) Built in pins on the shield along with the Pinlock anti fog lens transforms your single shield into a dual shield that will resist fog buildup. Pinlock lenses are created out of a moisture absorbing plastic. The silicone seal on the lens creates an airtight pocket between the shield and lens. The lens is placed between two adjustable eccentric pins,