Features: brand new and high quality Applicability : to Connect two Telephone Wires, Data Signal Cables, and Other Conductors. It belongs to uy type wire conductors butt splice, which changed complicated traditional cable wire twist and soldering connection method. Good quality and exquisitely design offer corrosion-resistant function to protect the connection against air and moisture. K3 type button terminal is a single moisture-proof type, adopts double-pole connection, and is used for "Y" type three-wire multiple connection. The applicable wire diameter is 0.4-0.9mm, and the maximum insulation outer diameter is 1.67mm. Specifications: Name: network cable connector Model: K3 Card knifes: copper nickel plated double knivies Material: PC Applicable wire diameter: wire diameter 0.4-0.9 Insulation outer diameter is 2.0mm Package Includes: 100pcs x K3 Connector note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!