Pole Pruner Rope Rated #1 By Professional Arborists Use this rope with Fred Marvin Pole Pruners to make your job easy. The slim design of Fred Marvin Pruners permits access to many areas not reached by more bulky pruners and the cutting blade is made of high-grade steel to permit several re-sharpenings. Powerful blades cut limbs up to 1.25 inches. Since 1943, Fred Marvin Associates has manufactured pole pruners and saws for the professional arborist. Today, their reputation for quality, precision, and durability remains the standard for professional arborists.