Introducing the 248-557 Miniature WSB Quick Marking System, a compact and efficient solution for organizing and identifying terminal blocks. This white marker, part of the 248 series, features a snap-on mating type for easy installation. With a 5mm width, it offers clear and concise marking in red, perfect for horizontal numbering. Halogen-free for environmentally conscious applications, this marker ensures safety and compliance. Ideal for use in barrier strip jumpers, covers, and terminal blocks, the 248-557 is a must-have accessory for streamlined cable management.