Baomain Insulated Fork Spade Wire Connector Electrical Crimp Terminal 12-10AWG 20 Pack Suits cable/ wire sizes:4.0-6.0mm2 Comply with all relevant European standards Allows visual inspection, prevents corrosion, and provided a waterproof seal Can be ideal used in marine and automobile applications For best results use a hot air gun until it reduces in size and the adhesive flows, filling gaps within the terminal