Complete Nut Kit Package: The package includes 15 sets of wire connector nut kits; Includes 15 connect terminals, 30 fixing screws, 15 heat shrink tubing, and a hexagonal wrench to cater to all your wire connection needs Versatile and Functional: These wiring connection terminals have an inner diameter of 0.12 inches and a length of about 0.59 inches; Suitable for 10 AWG, 12 AWG, or below; This versatility makes it the ideal choice for wire connections Solid Copper Construction: Enjoy good conductivity and heat dissipation with this wire connector nut kit; Made of thickened copper material, its strong conductivity ensures the wire connections operate at their efficiency Resistance and Durability: Each wiring connection terminal is treated with an anti-oxidation, pickling process; This treatment ensures your connections remain rust-free and do not deteriorate over time Simple and Quick Installation: Experience a hassle-free wire connection setup with no crimping needed Color: As Shown Material: Copper Package Contents: 1 x Wire Connectors Set Only the above package content, other products are not included Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3 cm