Buyers Products 0.75 Inch Round Marker Clearance Lights with 3 LEDs are used on trucks and trailers to meet FMVSS/CMVSS 108 regulations. The round marker lights are PC rated to produce light at a 90° angle left and right of center when properly mounted. Lights are available in red or amber and mount with either blunt cut leads or.180 in. male bullet connectors. Lights are available in bulk (sold in multiples of 10) or individually with retail packaging. They are backed with a limited lifetime warranty.