Retrofit Indicator Kits for Best® and Schlage® Mortise Locks Retrofit Indicator Kits Retrofit Indicator Kits Indicators can be used in a variety of applications and are most commonly used to identify occupancy or display the locked/ unlocked status of a room. Upgrade existing Best® or Schlage® mortise locks with a retrofit indicator kit from Arrow. These kits offer a seamless upgrade to existing sectional mortise locks to add security and privacy from Arrow. Features: Can be mounted on the inside, outside or both sides of the door. Available for a variety of Best® and Schlage® functions. Viewing window 25% larger than competition. Patented curved design for viewing at multiple angles. Window located prominently above the cylinder. Highly reflective viewing window for increased safety. Multiple color, text, graphic and language combinations available. Covers existing Best® or Schlage® sectional trim indicator preps. Two-year warranty. Downloads Catalogs Promotion Sheet Close Request an Indicator Sample Kit Fill out the form below.