✔️【What's In The Plastic Box】It contains: SC16-8, SC16-6, SC10-10, SC10-8, SC10-6, SC6-8, SC6-6 and Heat Shrink Tubing,to meet various size and current needs. | ✔️【Excellent Material & Quality】 100% pure copper,resists corrosion and maximum conductivity,The barrel is created from one piece of copper that eliminates the problem of the barrel opening. Your wire will never slip out of the connector. | ✔️【Easy To Use】 The tube switch is designed for easier cable entry, the opening is for checking whether the cable is in place when crimping or soldering, and the diameter of the ring conforms to most standard sizes used in the United States. | ✔️【Performance and Effect】Pure copper effectively prevent then cause bad contact,anti oxidation prevent electrical sparks,Highly conductive,the wire does not get damaged when crimped.The connector salt-resistance, and corrosion provide reliable performance that withstands the test of harsh environment.Use for vehicle,motorcycle,distribution box, marine, golf carts, solar panels, home applications, boat, DIY electrical wirings and other applications. | 📧【Service Upgrade】30 day money back guarantee & 1 year warranty.If you have any questions about your product, please contact us and our customer service team will respond within 8 hours and provide you with a 100% satisfactory solution.