Our dry splice has a seal designed into each wire hole that enables you to stock one connector for all applications. The dry splice seal features an interference webbing which expands to accommodate #18 through #6 gauge wire sizes. In the event only two holes are used, our dry splice seal prevents sealant from leaking out through the third hole. Prefilled with pure Dow Corning SP4577 Dielectric Silicone Ensuring the best waterproof connection Crimp style wire connector Holes in connector housing seal around wire to protect silicone from escaping and continuously encapsulate splice Each kit comes with two crimp sizes to cover a wire range from #18 - #10 AWG