Product Description: 100% Brand New and High quality Material: high quality plastic. Length: 395mm (15.55 ") Weight: 100g Packing: 1 measuring rod +1 spring + 1 crank Applicable to most balancing machines. Please feel free to contact us if you have any problems during the purchase. Notes: We will check the products carefully before shipping. After receiving the item, if you have any questions, please write to me, please do not leave negative feedback and open CASE, I will try my best to help you solve the problem, as a seller, we will be responsible for everything. Contact us If you need any type of item, please contact us via eBay messaging service. We will respond to you very promptly. At our store, we make every effort to ensure that every buyer's experience is as valuable and enjoyable as possible. You can buy with confidence knowing you're getting a worry-free deal!