On-road block out cover. For further protection and visibility in inclement weather conditions, Ironman 4x4 has produced a range of 4 shatterproof polycarbonate lens covers. Clear – Suits standard driving condition but providing an extra barrier of protection Amber – Aids visibility in foggy conditions Blue – Improves visibility in snow Black – On-road block out cover All Ironman 4x4 lens covers feature a quick and secure clip on design suit Ironman 4x4 LED Spotlights.