1. Product Type: High Precision Wire Rope Crimping Tool with Aluminum Double Barrel Ferrule Crimping Loop Sleeve Kit. 2. Product Material: The crimping tool was made of heavy duty stainless steel, hard and sturdy. 3. Package Content: 3 sizes of 150pcs double barrel ferrules with a crimping tool in a square paper box. 4. Product Features: Crimping tool with non-slip handles and self-locking mechanism that makes it more relaxed to provide optimal pressure. 5. Application: The crimping tool coordinated with barrel ferrule can be widely used for wire rope, dog leash, etc.