Hammond RULBK52-1 52U-to-1U Descending Rack Unit Labels, 2-Pack

The RULBK52-1 is a rack unit label kit that numbers rack rails in descending order, starting at 52U at the top and counting down to 1U at the bottom. It is intended for IT and network technicians, AV integrators, industrial controls builders and facilities teams who want a fast, permanent way to identify rack elevations during equipment installation, moves and ongoing maintenance.

Each label is made of durable polyester with high-contrast white lettering on a black background for long-lasting, easy-to-read rack unit identification. The peel-and-stick adhesive backing installs without tools or hardware, and the cut-to-size design lets the strip be trimmed for a clean, customized fit on shorter rails.

RULBK52-1 supplies labels 91.00 in (2311 mm) long and 0.25 in (6 mm) wide, with a roll quantity of 2 so both the front and rear rails (or both sides of a frame) can be marked from a single kit. The labels suit rack rails up to 52RU and the universal design can be applied to most industry-standard 19-inch and 23-inch open frame racks and cabinets, not just Hammond products.

• Descending numbering: 52U at the top, 1U at the bottom
• 2 rolls per kit for labeling both rack rails
• Trim to length for racks shorter than 52RU

The kit is manufactured to Hammond's quality standards and is RoHS and REACH compliant, with country of origin CA and USMCA compliant status. Whether documenting a new data center deployment or retrofitting an existing relay rack, RULBK52-1 makes rack unit locations easy to reference and helps reduce installation errors.