Plastic boxes, including 110pcs AWG 2 4 6 8 10/12 copper wire lugs and 130 red and black heat shrink tubes in different sizes.They are neatly separated and protected in the storage box.You don't have to worry about mixing. The battery terminals connectors are convenient to carry with you.a large number of ring terminals connectors can meet your different needs All the SC ring terminals are made of high-quality pure copper.They have good conductivity.The is plated on the to protect the copper from being eroded, and the heat resistance and corrosion resistance are strong. These wire connectors made of high-quality materials, non-toxic and flame retardant. All cable lugs are universal sizes that meet US standards. The high-standard flared opening mouth can be easily inserted. In addition, we carefully designed a check window that allows the intuitive check to check the correct wire insertion. Each copper cam has a specification mark so that you can quickly find the electrical lugs to