3M Diamond Grade conspicuity markings series 983 for trucks and trailers are highly retroreflective microprismatic markings designed to enhance the visibilities of the sides and rears of trucks and trailers. These reflective markings consist of prismatic lenses that are formed in a transparent, synthetic resin and sealed and backed with a pressure sensitive adhesive and clear polymeric liner. Diamond Grade conspicuity markings are highly durable, providing up to ten years of field performance. 3M series 983 markings have excellent angularity which provides enhanced visibility for drivers. Combined daytime brightness and retro reflection provides 24 hr visibility and detection.