Features: Constructed of premium aluminum alloy, sturdy, rigid and durable. Be able to lift rear mirror by 3cm and extends it up to 4cm (the maximum extending distance of two rearview mirrors is 8cm). Effectively prevent riders form blocking the view of the rearview mirror, help broaden the viewing range of the motorcycle (or electric bicycle). If users need to extend wider distance, 10mm and 8mm two sizes can be used in combination (6cm rising height, outward extending distance up to 8cm). Simple installation process, practical and convenient to use. Suitable for most motorcycles and electric vehicles whose rearview mirrors are with M10 or M8 mounting apertures. Specification: Condition: Brand New Material: Aluminum alloy Main Color: Black Thread Diameter: 10mm(M10), 8mm(M8) Extended Horizontal Distance: 4cm Risen Vertical Distance: 3cm Package Weight: Approx.106g/3.7oz Package List: 2 * Mirror Adapter 2 * M10/10mm Screw 2 * M10/10mm Gasket 2 * M8/8mm Screw 2 * M8/8mm Gasket Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. All the items will be dispatched within one business day by Airmail after the payment is clear. Most times you will receive your order within 10-30 business days after we transfer your package to the delivery company. We cannot guarantee the delivery timeframe if the post office has any unexpected delays due to holiday,weather,customs, or other conditions. Some countries like Russia, Brazil, or some European countries may take up to 50 days or longer for delivery. We appreciate your patience if you haven't received items in 30 days(Russian customers may need more patience by reason of the local delivery system and/or customs). If you are concerned in any way, please feel free to contact us via ebay message instead of leaving negative/neutral feedback or opening a dispute. We will do our best to solve any problem(resend or refund any missingitem). Customs duty is obligation and liability of citizens in yourresponsible for any tax and custom duty incurred. Generally, thedelay or failure delivery is sometimes caused by the policy of different customs. Our listing price includes the value of goods,packaging cost,and export taxes,not including international duties. duties,taxes,and charges are not included in the item price or shipping fee. The duties are buyers' responsibility.Please check with your country's customs office determine what these additional costs will be prior to your purchase. All disputes arising from the duties will be submitted to ebay for solution. Any questions, pls. contact us via ebay message or email us. We will reply your message within 48 hours. If you do not receive our reply within 48 hours, pls. post a message again because sometimes our message system may block some emails. If you are satisfied with our service, pls. kindly leave us a positive feedback and give us the Detailed Seller Rating with all "5" in very area. Our aim is to provide Level Customer Service, your recognition will encourage us greatly and serve you better.We strive to keep all our customers satisfy. We will do our up most to exceed your expectations in customer service, communication and dispatching of your orders.