Wovier Adjusting Ratcheting Ferrule Crimper Plier HSC8 6-4 Self-adjustable Crimping Tools Used for 0.25-6.0mm2 (AWG23-10) Cable End-sleeves Self-adjusts to the desired ferrule size Ferrule insertion on the side of the tool Multiple crimp profiles For 23 - 10 AWG (similar to 0.25 - 6 mm) Specially hardened spring steel