The Extension Bracket J7921, manufactured by MacLean Senior Industries, is a robust solution designed to support telephone cables at a safe distance from utility poles. Crafted from hot-dip galvanized steel, this bracket provides exceptional durability and resistance to corrosion, ensuring long-lasting performance in challenging outdoor environments. It features a versatile mounting system that accommodates a 5/8” or 3/4” machine bolt at the upper position, along with two 1/2” lag screws at the lower, allowing for easy installation and secure attachment. The integrated design includes the capability to adjust the cable extension between 26-1/2 to 44-1/2 inches from the pole, facilitating precise placement as dictated by your installation needs. To further enhance stability, the messenger cable is held firmly by a standard J1096 suspension clamp, making this extension bracket an essential component for maintaining safe and reliable aerial line installations.