Brother BRS-1D450-110 printer ribbon Black

Brother BRS-1D450-110. Compatibility: TJ-4020TN, TJ-4120TN, TJ-4021TN, TJ-4121TN, Printing colors: Black, Print technology: Thermal transfer. Width: 2.76" (70 mm), Depth: 2.76" (70 mm), Height: 4.33" (110 mm). Package weight: 8.29 lbs (3.76 kg), Quantity per pack: 1 pc(s). Quantity per pallet: 832 pc(s), Pallet weight: 897.3 lbs (407 kg), Pallet height: 4.37" (11.1 cm)