Make cable identification a breeze with the STD21Y-PLUS snap-on marker from the Agastat 7000 series. Featuring a sleek black design with a prominent plus sign legend, this marker is perfect for indicating positive connections. Its straight marker cut ensures easy application onto cables with diameters ranging from 11 to 15.5mm (.433 to .61 inches). Crafted for durability and reliability, the STD21Y-PLUS is an essential tool for organizing and labeling cables in a variety of settings, from industrial environments to home offices. Stay organized and efficient with this high-quality cable marker.