The STD03W-MINUS is a pre-printed, white snap-on wire marker used for the permanent and rapid identification of cables and wires. This size 03 marker is designed to securely fit cable diameters ranging from 1.90 mm to 2.65 mm. It is constructed from zero-halogen polyoxymethylene, which provides excellent strength, dimensional stability, and resistance to chemicals like oils and alkaline solutions. The marker is rated for a wide operating temperature range of -40°C to +106°C, ensuring durability in demanding environments such as power stations, oil refineries, and industrial facilities.