Features: Brand new and high quality Suitable for Coaxial Broadband Networks Used in Video, Data and Telephony Applications with Standard, Tri-Shield or Quad-Shield Cable Anti-Corrosion Nickel-Plated Finish High quality connectors are designed to provide a professional, secure, waterproof connection for RG59 Coaxial Cable These Connectors are more reliable and easier to use than traditional crimp BNC Connectors Simply prepare the cable in the same manner as an F-type connector, insert the connector onto the coax cable and compress it 360 ° radial compression Length: Approx. 3.85cm/1.52" (Normal), 3.35cm/1.32" (Compressed) Diameter (Max.): Approx. 1.4cm/0.55" Material: Zinc alloy connectors, Copper needles Color: Black + Silver Package Includes: A Bag of 20pcs BNC RG59 coax connectors 20pcs copper needles