General description These Electric Fencing Corner Insulator Tensioners are designed for use with both PolyWire and PolyRope, making them ideal for securing your Permanent Hotline Fencing at the start, end, and corners. They ensure that the fencing is pulled tightly, preventing sagging and potential short circuits, while providing optimum performance. Technical specifications Length: 61 mm Width: 33.5 mm Height: 33.5 mm Hole Dimensions: 14 mm x 8 mm Groove Width x Depth: 10 mm x 8 mm Product Code: SFAGEFST079B/10 Weight: 0.14 kg Other information Made from heavy-duty plastic for insulation against electric shocks.