Marlin's Universal Clock / Thermometer With Tape-On / Screw-On Mount Marlin's Tape On / Screw On Mount offers a versatile mounting solution suitable for any flat surface, including a seamless fit for RoadKing models as a tank panel washer replacement. This durable mount ensures dependable service for years, enhancing the aesthetic of your motorcycle with its design. Features: All units come ready for installation Comes with industrial strength two sided adhesive for smooth flat surface install Comes with 1/4X20 screw for installation on Road King models Waterproof Shock resistant Glow in the dark elements (glowing elements require reasonable exposure to light for activation.)