Application: Suitable for RC Car, Trucks, Boats, Helicopter, Airplane and many other devices. Specifications: Brand RC Pit Products Material Aluminum Aolly, HSS Surface treatment heat treatment, electroplating, Type Hex Socket Driver Hardness 52-60HRC Size 17.4 (L) * 1.7 (D) cm Color Black Features: 1.High quality: the shaft is made of high speed steel. 2.Ergonomically and slip-resistant designed handle for comfortable grip. 3.Compact and lightweight design, with Elegant appearance. 4.4 different sizes are included to meet all your needs. Contain: 1 Each Size:4.0BOX/5.5BOX/7.0BOX/8.0BOX Terms of Sale Customer Service Customer feedback is very important to us! Negative or Neutral feedback is not necessary as we are here to assist you with any concerns if something comes up. Just give us the chance to assist you so that we can keep a clean record and continue to offer outstanding products, prices and customer service! Please visit our official website if you wish to open a support case to contact our friendly Customer Service team Monday - Friday, 8am-5pm Eastern Standard Time. Shipping We offer Standard Shipping using USPS First Class Mail, USPS Priority Mail or FedEx Ground at our discretion. For Standard Shipping and FedEx Ground, please allow 3-5 business days to receive your goods. All orders ship with a tracking number and you will receive it in an automatic e-mail within one hour of shipping. For Our International Customers. We currently do not ship internationally . Combined Shipping. To reduce your shipping costs when purchasing multiple items, use the ‘add to cart’ feature and wait to submit payment. Click on the "Request total from seller" button. We will then combine the shipping charges on your order. You will only pay shipping on the largest item in your order. Please note: eBay does not currently support Combined Shipping discounts for items sold through the Global Shipping Program (GSP). Important If shipping is not automatically combined, please request an invoice for purchases made, PRIOR to submitting payment. We are not responsible for over payment of shipping charges when these guidelines are not followed. Warranty Policy GUARANTEE: All products are inspected and adjusted individually before leaving the manufacturer and are guaranteed to be free of material defects and manufacturing faults. General Warranty Policies: RC Pit Products products are warranted to be free of material and workmanship defects for a period of 30 days from date of purchase for all electronic components and 90 days for all non-electronic components. If a component is defective or was not correctly made, RC Pit Products will, at its sole discretion, repair or replace the item free of charge. This warranty does not cover normal wear and tear, crash damage, modifications, failure to perform routine maintenance, or any damages arising as a result of improper use. Release of Liability: RC Pit Products it's affiliates, manufacturers, distributors, or retail partners shall not be held liable for any accident, injury to persons, or damage to property resulting from use, misuse, or abuse of any RC Pit Products product. In purchasing a RC Pit Products product the user agrees to accept responsibility for all such risks.