Terminal Block End Covers and Partition Plates: Plate Type - Terminal Block End Barrier; Block Models - D-URK-ND; Width x Height x Thickness - in - 2.51 x 0.09; Width x Height x Thickness - mm - 64.00x 2.50; Color - Gray; Additional Information - Package Qty: 50PC; Model Number - D-URK-ND; Manufacturer Series - D-URK