The Ridgid 31750 E4207x Replacement Heel Jaw with Pin is a high-quality accessory designed for 48" 4NV22 and 4NV21 pipe wrenches. Made by the reputable brand RIDGID in the United States, this heel jaw ensures a secure grip and stability while working with pipes. The durable construction and precise design make it a reliable tool for both industrial and commercial applications.