1. Crimping Range: AWG 24-12(0.21-3.31mm2). 2. Ultra-precise crimper ensures excellent and accurate crimps. 3. Double-hinge mechanism that keeps the jaws parallel for a straight crimping engagement. 4. IWS-2412 does many size U-barrel or stamped style terminals from AWG 24-12. 5. The package has detailed operation instructions, diagrams and applicable table for scan.