Traditionally used in landline telephone applications, these IDC splice connectors can be used to splice, tap or repair damaged many types of low voltage conductors in voice and data applications.PRODUCT FEATURES:- Used for repairing broken wires and for adding an additional wire to an existing circuit - Internal moisture-resistant sealant protects wires from corrosion (indoor/outdoor use) - Quick, easy one-step splicing – insert unstripped conductors, crimp with 33-719 tool - Designed for use with solid copper single-conductor wire, 19-26 AWG - Permanent connection- once crimped they cannot be reused