Nylon Vault Key-Hole Signals - 25 / Box - 1.9" Width x 1" Height - Plastic - Blue by MMF
Vault Key Hole Signals quickly convey the status of locks to personnel and outside users. Ideal for use at banks, rental facilities, or post offices. Made of color-fast, nonchip plastic, the 7/8" prongs securely engage lock tumblers for a tight fit; the 1/2" head fits most popular lock brands. The color blue denotes rent overdue while other colors are designated for other signals.