Terminal Block End Anchors-Stops: Clamp Type - Terminal Block End Stop; Construction Style - IEC; Used On - DIN 3; Mounting - Screw-On; Width x Height x Thickness - mm - 53.0 x 36.0 x 10.0; Channel Series/Size - PR3, PR4, PR5 (DIN3); Material - Polyamide 6.6, Gray