1. Package contents: You will receive 60 wire lugs in 8 sizes and 60 heat shrink tubes, packed in a transparent case for easy storage. These copper wire terminal connector kits in various sizes are sufficient for your needs. 2. Size details: A variety of wire lugs (60 pieces total, 8 sizes) are included, such as 10 pieces SC66 cable ends, 10 pieces SC68 ends, 10 pieces SC106 ends, 10 pieces SC108 ends, 5 pieces SC166 ends, 5 pieces SC168 ends, 5 pieces SC256 ends, and 5 pieces SC258 ends. Additionally, there are 60 heat shrink tubes in 2 different sizes. 3. material: The performance wire lugs are made of quality tinned copper with fine craftsmanship, ensuring durability, wear resistance, conductivity, and longlasting performance. The closedend design helps keep cables dry. 4. Easy to use: Our splittype wire lugs allow easy wire insertion. After crimping, they can be secured to equipment. The heat shrink tubing provides sealing and insulation, ensuring secure wire and cable connections.