This is a SATO label part number SR30LJ-60584, designed for high-volume printing applications. It features a 4x1 inch label size with three identification (3ID) and eight outer diameter (8OD) features. The labels are supplied without perforation (NO PERF) and come on a roll of 4500 units.
SR30LJ-60584 - Sato LABEL 4 x 1, 3ID 8OD NO PERF OUT 4500/RL