Speedometer Dash Lens features a highly polished clear injection molded lens that has been reproduced to duplicate the original exactly. Top-quality plastic and highly polished molds make it the clearest lenses on the market. All numbers and letters are recessed on the back side and painted white. Edges of the lens is painted green to transmit color to the letters when backlit, just like Chevy produced them in 1957. #300A will work on any 1957 Chevy model. 0-120 MPH.