Leading Edge Lighting CL-11223-A 10 3/4" Amber LED Clearance Marker Bullet Grommet Lights high impact polycarbonate body filled with our unbelievably tough urethane, makes this light nearly hammer proof Easily mounts into standard 3/4" hole, PC output exceeds FMVSS 108 specifications Ultra-efficient lens design leads the world in performance, Miniature size and low profile reduces damage PC rated side marker clearance lamp for Heavy duty trucks, Semi-trailers, Cargo trailers, Boat trailers Work vehicles and any motor vehicle requiring quality DOT rated lighting Reliable performance over 100,000 hours, Waterproof, sealed body that is immune to shock and vibration