Features: 1)25 pairs connection module 2) The design of contacts basing on the principle of airtight contacting makes acompletely reliable connection between the contacts and wires3) Material of plastic parts: ABS4) Material of contacts pin: silver-plated bronze 5) Internal diameter of connection wire: 0.4 - 0.7mm 6) External diameter of connection wire (shield): 0.7 - 1.4mm 7) Insulation resistance: R>100,000,000MΩ8) Typical contact resistance of wire connection: approx. Rof dent18) packing: pp bags+Carton or customized producing area:China