Product name: neck curve dial meter
Product brand: HONGYIN
Material: Aluminum alloy, 0.01 precision dial meter, digital display model and pointer model
Product function: This high-precision neck flatness dial meter can measure the deformation and bending of the neck, so that there is a very reliable and clear measurement standard to judge the deformation and bending of the neck. It does not need to rely on the eyes to see, to adjust the bending and deformation of the neck, so that we can quickly adjust the flatness of the neck to eliminate the problems of breakage and noise and so on
Instructions for use:
Digital display advantages: more convenient to view data, but also more clear and easy.
Pointer model advantages: compact and easy to operate.
The electronic dial gauge does not include batteries and uses the model LR44/AG13. Please purchase locally.
1. First, adjust to zero on the glass or other pure flat surface, place the tool on the glass, loosen the screw in the upper right corner of the dial, and turn the large needle dial to zero, fixing the base to 0. If it is a wooden guitar, push the top to the 12 pin thread, and the feet at both ends will also press on the pin thread. If the pointer is negative, it indicates that the fingerboard is concave. If it is a positive number, it indicates that the finger board is convex. Adjust the steel bars in the neck of the piano. The closer the value is to zero, the better.
Similarly, digital displays are also used, but the numerical values are more pronounced,
Pointer style description: The large needle first turns to zero, and when measuring, confirm the base of the small needle first. After it is in place, subtract the base from the index. The large needle rotates once, and the small dial rotates 1mm (1 grid), representing 1mm. For example, if the large needle points to 9, it represents 0.09mm, and if it points to 90, it represents 0.9mm. The small dial represents mm, and 1 grid is 1mm. If the small needle turns to 2 squares and the large needle points to 43, the data is 2.43mm














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ABOUT US:Â
Welcome To Our Store
1. Our company name: Qingdao Hongyin Wood Co., Ltd., Professional production and processing guitar wood, guitar accessories, and guitar making tools.We work with world famous guitar brand manufacturers such as Qingdao GIBSON, EPIPHONE, Tianjin LAG, and Qingdao sejeng (fendr, Ibanez).
2. We have thousands of products, our products are competitively priced and high quality. We crack down on fake and shoddy products. We hope we can establish long-term cooperation with musical instrument companies and sell them in the world.If you need a large number of our products, please contact us. We will give you a best discount.
3. If your product compete on price, you can contact us. We can sell in the Chinese market.Every year, we participated in Shanghai International Musical Instrument Exhibition (Hall E3),If you also visit the instrument exhibition, you can contact us.




About Us:
1. Welcome to our store. As the leader of China's Guitar parts saler, we have thousands of kinds of products, which almost come from Japan and South korea. Our products are competitive in price and superior in quality. We fight against with counterfeit and shoddy products.We hope that we can establish a long term cooperative relationship with Musical Instrumens Company and the salers in the world.If you have the product that competitive in price, you can contact us. We can sale it in Chinese market. Â
2. If you need our products in a large quantity , you can contact us. We will give you a discount.
3. We are in limited stock , if you need the quantity extremely large , you need inform us. We will order it in advance.
Shipping & Return:
1. We shipping to worldwide, except some distant areas. International shipments are sent by Standard Shipping,China Post Air Mail , e-EMS  or EMS  . Delivery time can be vary due to certain reasons, such as numbers of airlines to your country and processing speed of customs and post office. The shipping time are as follows:
EMS :Â 7-20 business daysÂ
                                  e-EMS:7-20 business daysÂ
          China Post Air Mail: 20-60 business daysÂ
Standard Shipping:Â 16-35 business days
2. Import duties, taxes, and charges are not included in the commodity price or shipping cost. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying. Through e-packet, you can follow the tracking information of your item in the link of www.17tarck.com. Pls consult your local post office whether they agree or not.Â
3. Customs fees are normally charged by the shipping company or collected when you pick the item up. These fees are not additional shipping charges.
Payment
1. We accept PayPal, alipay and bank remittance. As for the paid products ,we will arrange shippment within two days. If you want to order it in a large quantity, you can contact us , we will give you a discount. Returns are acceptable, you can return any item within 14 days of receipt for a refund or a replacement of that item. Please contact us for a referrence number if you'd like to return an item. Please notice that buyers are responsible for the postage of returning, the items returned must be in their original condition, which includes tags and any packaging, and we'll only send the replacement or refund after we receive the returned item.Â
2. We'll test all items to make sure they're in good condition before shipping, and they'll be packed carefully to avoid damage in transit. However, we'll be fully responsible for DOA(Defective On Arrival) items, please contact us if you receive a defective item, we'll send you another one for free or issue full refund depends on your choice.Â
Contact & Feedback
1. We encourage customers to contact us  directly even if we may not answer you immediately because of the time difference. All questions will be replied within 12 hours in business days and we'll try best to reply within 24 hours in holidays.      Â
2. We'll leave positive feedbacks to buyers as soon as payment receipt, and we would be much appreciated if you can leave us your positive feedbacks and 5 star rating after you receive your items. Good feedbacks and ratings are very helpful for our eBay career.
3. Please DO contact us immediately if you're not satisfied with our products or service before leaving negative feedbacks, we'll try our best to resolve.





















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