180pcs Heat Shrink Butt Connectors, Sopoby Electrical Crimp Wire Connector Set, Waterproof Automotive Marine Assorted Terminals Kit, 22-10GA (90Red 60Blue 30Yellow) Polyamide Hot-melt Adhesive Waterproof --- Polyamide Hot-melt Adhesive provides excellent waterproof property, can be ideal used in marine and automobile applications. Durable --- Excellent stretch and mechanical damage resistance; Ideally translucent provides tensile strength; High elasticity keeps steady performance. High Quality --- Hard heat shrink tubing guarantees high tensile strength and keeps it from stretch and mechanical damage; Thick copper barrel ensures every single crimp safely without destroyed, increase current flow, decrease voltage drop. Usage --- For best results use a hot air gun until it reduces in size and the adhesive flows, filling gaps within the terminal; Operating temperature : -55125; Minimum shrink temperature : 80C; Fully recovery temperature : 130C. Money Back Guarantee!! If for some reasons you are not completely satisfied with your purchase, please contact us anytime you feel convenient, refund is guaranteed.