12Pcs 6X5/16 Copper Ring Terminal Connectors 6 Awg Heavy Duty Battery Cable Ends Product Features 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. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!