WHAT’S IN THE BOX: Included with the order is the following: (ONE) United Pacific Kenworth Mirror Frame with Lower Convex Mirror with heating/defrost function for T600/T660/T800. (NOTE: This item only includes the lower convex mirror with heat/defrost function, the main mirror is NOT included) APPLICATIONS: The United Pacific Kenworth Mirror Frame Replacement with Lower Convex Mirror was designed to fit T600/T660/T800 Series. It replaces the OEM part number: M015399. This is a mirror frame replacement with lower convex mirror with heating/defrost function. REMINDER, this is a direct replacement for the OEM Frame only. ONE LOWER MIRROR is included in the order. FUNCTIONS: Our United Pacific Kenworth Mirror Frame Replacement with Lower Convex Mirror features a heat/defrost function built within the mirror. This is a direct OEM replacement frame for Kenworth T600/T660/T800 Series. All you will need to finish up this item is the main mirror to complete the replacement. WHO WE ARE: We are unique individuals whose varied talents and experiences bring value to the way we connect with big rig drivers and car enthusiasts, and the world. With over 30 years of experience, we’re dedicated to the design, manufacturing and supply of automotive products for heavy-duty trucks and classic cars UNITED PACIFIC: United Pacific has a large library of aftermarket parts and accessories from our classic car department to our trucking department. We strive to be the best and offer the best at the best cost! We take pride with our work and products, and it takes countless hours to create the best products out there! Our team is dedicated with providing you with the answers you need when ordering our products