Hexagonal ferrule crimper: Crimping tool has six serrated crimp surface,which could make a perfect and tightest crimp, AWG 28-5 (0.08-16mm²) Ferrules: 7 size and 1700PCS XHF electrical terminals using quality copper, plating tin process, conductive better, CE RoHS compliant Widely Applied in electric, electronic industry, equipment, industrial, automation, lighting, power control system, telecommunication, chemical industry etc If you have any problem, please contact us and we will solve it for you within 12 hours.