Black & Decker 82310-04 is a high-speed nylon line yard trimmer, suitable for trimming grass and weeds along fences, walls, walks, around rocks, and trees. It features an instant release safety switch and a built-in cut-off that automatically trims excess nylon line to an optimal cutting length. To enhance safety during operation, it is equipped with a guard that prevents accidental contact with the rotating line. The trimmer's double insulated construction provides added protection against electrical hazards.