12Pcs 6X5/16 Copper Ring Terminal Connectors 6 Awg Heavy Duty Battery Cable Ends Product Details In this kit,we offer 12pcs 6awg heavy-duty lugs with a 5/16 screw size ring,corresponding matching 3:1 red and black heat shrinkable tube. The ring terminal connector made of high-quality copper content of 99.95%,good electrical conductivity.The 3:1 shrink tube is well made of high quality environmental material,thick and durable. The wire lugs connector can be easily crimped or soldered,the heat shrink fit solid or stranded gauge wire,heat shrink provides tight and full seal,prevents leakage of any solder. The ring terminal connector application areas:military/aerospace,household appliances,lighting electronics,automotive electronics,new energy,the 3:1 adhesive-lined heat shrinkable tubing black and red,can be applied in industry,environmental protection material. If you receive a defective product or have any problems with the product,please feel free to contact us,We will provide you with satisfactory service at any time. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.