540Pcs Marine Grade Heat Shrink Wire Connectors - Sopoby Electrical Connectors Sopoby is offering the most versatile electrical connectors kits with heat shrink technology on the market included an extensive selection of the most common terminal types: butt connectors, rings, forks, hooks, male/female spade terminals. MARINE GRADE WIRE CONNECTOR: The Sopoby electrical connectors kit includes AWG16-14 22-18 12-10 3 types gauge, 3 colors 8 sizes crimp insulated ring fork spade butt splices,make wire connection easier UPGRADED RED COPPER MATERIAL: High quality red copper provides excellent Conductivity, ensures less voltage instability, make your wiring connector project more perfect RELIABLE CONNECTION: Adhesive lined inside the 3:1 heat shrink connector will exude hot melt adhesive when evenly heated, shrinks quickly and adheres to wire insulation. Guarantees good environmental sealing, waterproof and wear-resistant EXCELLENT WIRE CONTACT: The copper barrel provides increased current flow, and ensures less voltage drop, preventing wiring failures and reducing equipment downtime AFTER-SALE SERVICE: Sopoby heat shrink connectors are compliant with ROHS, ISO 9001:2008, SGS and CE standards. Any problems when using our electrical connectors, please do not hesitate to contact us seller. We promise to provide you a satisfactory solution