SD: sintered Off-Road. Good efficiency and stability under all operating conditions. Suitably resistant to wear, even when exposed to water and mud. Less aggressive than the SX, giving more flexible control."
"6036
Blue mirrored full revo interchangeable lens suitable for the WHIP and ONI models.Filter category: 2Features:Shatterproof polycarbonate lensWater repellent coating - no stainsAnti-fog coating - prevents cloudy...