The WMB MKR SYSTEM 3.5MM: 1-5 in White is a versatile marker designed for efficient organization in electrical applications. Part of series 793, this Snap-On accessory ensures easy installation. With a 3.5mm marker width and horizontal marking direction, it offers precise labeling for enhanced visibility. The black marking color stands out clearly, meeting UL 94V-2 flammability standards for safety. RoHS compliant, this marker strip is environmentally friendly. Perfect for Barrier Strip Jumpers, Covers & Markers, and other terminal block applications, the WMB MKR SYSTEM 3.5MM: 1-5 is a reliable solution for your marking needs.