Heat-treated, replaceable steel blade for long cutting life | Ratchet action for fast, easy cutting | Rugged metal alloy frame for durability | Replacement blade kit 07978 sold separatelyAmazon.ca Product Description Greenlee's PVC Cutters have a high-leverage compound ratchet action and long handles reduce effort. Heavy-duty metal frame for cutting large diameters. Replaceable steel blade may be sharpened. From the Manufacturer Greenlee's PVC Cutters have a high-leverage compound ratchet action and long handles reduce effort. Heavy-duty metal frame for cutting large diameters. Replaceable steel blade may be sharpened.