1. Contents of Terminal Plastic BoxThis set of battery cable terminals, ring terminal connectors, copper wire lugs, and heat shrink tubing kit contains SC35-10 SC35-8 SC25-8 SC25-6 SC16-8 SC16-6 SC10-8 SC10-6 SC6-8 SC6-6 Ring Terminal Battery Lugs and 3:1 Heat Shrink Tubing Kit. 2. Superior Materials and QualityAll components are made of heavy-duty construction materials, battery cable terminals and ring terminal connectors are precision engineered for a strong connection, copper lugs provide good electrical conductivity, and heat shrink tubing is durable and insulated to prevent loose battery terminals and poor contact. 3. Reliable and Easy to UseAll cable lugsterminals conform to US standard universal dimensions for easier access to cables, while each lugring terminal is marked with specifications. These heat shrink tubing sleeves are electrically insulating, airtight, and heat resistant. Heat shrink tubing temperatures of up to 600 volts, 257 degrees Fahrenheit allow the battery cable ends to tightly wrap around the wiring, enhancing the stability of the connection. 4. Widely UsedThese battery cable lugs are ideal for distribution boxes, marine, golf carts, solar panels, vehicles, motorcycles, power inverters, RV, DIY wires home applications and other outdoor applications for electrical wiring, ground wires.