Peterson Surface Mount Combination Stop/Turn/Tail Light. Multi-function taillight exceeds DOT requirements for stop, turn, tail and rear reflector. High impact housing will not corrode and tail light exceeds 12 square inches of luminous lens a reach Approved for vehicles over 80 inch wide. Lens size: 8-13/16 inch width x 5-1/16 inch height x 2-3/4 inch D. Bracket Size: 9-7/8 inch width x 6-1/8 inch height Grounds through mounting hardware. Uses 1157 bulbs.