Size 16: Male and Female, 35pairs, thread size 20-14AWG; Pin Contacts 215, socket Contacts 209, current rating 13Amp Product features: crafted from metal, which have better conductivity and stability platings also makes the terminals corrosion-resistant and wear-resistant Size 12: Male and Female, 20pairs, crimping ranges 14-12AWG; Pin Contacts 204, socket Contacts 203, current rating 25A Size 20: Male and Female, 35pairs, Thread 22-20AWG; Pin Contacts 202, socket Contacts 201, current rating 7.5A Adapter connector: suitable for Deutsch series connectors, HD30 series, HDP20 series, HD10 series, DTHD series, and so on, Manufacturer: Lerpwige