Introduction：

The die collar is a tool designed for engaging and fishing by cutting threads inside the fish. It enters the internal bore of the fish, cuts threads to establish a secure grip, and then facilitates retrieval. The tool features a simple structure and high strength.

Features and Benefits：

★ It creates a threaded profile inside the fish to ensure positive engagement.

★ It features a simple structure, high strength, and excellent durability.

★ Designed for internal fishing, its operation is straightforward and efficient.