Cool Seal® Butt Splice 16-14.Cool Seal Is A Heat-Less, Solderless Terminal, It Utilizes Revolutionary Anaerobic Sealant Technology That Installs In A Fraction Of The Time Of Comparable Heat Seal Connectors.Simply Strip The Wire And Crimp, Activating The Sealant, To Create An Environmentally Sealed Connection.The Innovative New Sealant Prevents The Ingress Of Moisture And Air, The Nylon Insulation Provides Maximum Abrasion And Puncture Resistance, While The Seamless, 99.9% Etp, Copper Connector Offers Optimal Electrical Conductivity.Requiring No Heat, The Cool Seal Will Reduce Overall Costs By Eliminating The Need For Torches Or Heat Guns, Reducing The Installation Time, And Improving Productivity.