Hilitchi Crimper Plier Self-adjustable Ratcheting Square Ferrule Crimping Tools Used for 0.25-6.0mm2 (AWG23-10) Cable End-sleeves High Quality Professional Crimper Plier! Ratcheting crimping tool for ferrules (end sleeves) Quadrilateral crimp profile with four serrated crimp surfaces For 23 - 10 AWG (similar to 0.25 - 6 mm) Note: silver and black random shipments