Terminal Block End Covers and Partition Plates: Plate Type - Terminal Block End Barrier; Construction Style - IEC; Block Models - STS 4; Width x Height x Thickness - in - 2.53 x 1.69 x 0.08; Width x Height x Thickness - mm - 64.5 x 43.0 x 2.2; Material - Polyamide; Color - Gray; Model Number - D-STS 4; Manufacturer Series - D-STS