Fred Marvin QCP Pruner Head with Quick Change AdapterMarvin QCP Pruner Head with Quick Change Adapter Marvins PH4 1 1 4" cut pruner head with quick change adapter. Fits all Marvin poles with a female ferrule (mid poles and base poles). One of the best selling pruner heads in the world, complete with an aluminum adapter head for easy and immediate installation. Features: Precision ground hook and angled edge for a dual cut, up to 1 1 4" capacity Cutting blade is made from high grade steel that tolerates