The black decker ph5551 pole hedge trimmer for fast effective trimming of tall hedges it has an ergonomic balanced design and the soft feel grip provides added comfort the diamond ground dual action blades provide cleaner cutting and reduced vibration for greater comfort in use the pole extends up to 23m in usable length providing approximately 38m of reach making it ideal for cutting extra high hedges the 180 pivoting head locks into 5 different positions for greater versatility and access w