Description: A lightweight locking shaft coupler Flexible design helps compensate for misaligned parallels and axial Zero rotation clearance Oil-resistant and anti-corrosive Often used to connect servo motor, stepper motor, encoder, screw driving, machine platform, etc. Specifications: Shaft usage: 8mm X 8mm Length: 30mm Diameter: 25mm Material: Aluminum Package Includes: 6 PCS 8*8mm Flexible Shaft Coupling Payment: 1.Paypal payment is default payment way. 2.All the payment must be made within 7 days. Shipping 1.All our items will be sent out via China air mail or Hongkong Air mail. 2.Normally , we would send to any place.But some loctions may be vary on shipping. We set them into excluding locations.If you are in the list, please contact us for information. 3.Shipping date: China Air mail is arounding 22 -- 38 days. Hongkong air mail is arounding 15-- 26 days. Duty: We firmly believe there will be duty to the orders. Buyers must pay this fee. But we will do our best to help buyers to low the fee as possible.We would mark the reasonable declared price on the shipping invoice. It do work to most of buyers. Before After Purchase 1.If you have any question before or after purchase, please feel free to contact us. We will reply them as soon as possible. 2.If there is any problem on order, please contact us at once. We will solve them at fastest and friendly ways. Handling Time: Normally, we would send out all the orders in 3--5 days.We set 10 days is to avoid problem from. Packing: We have do a lot of work on packing. We would use hardborad and pearl wool to pack them.It can protect item from bending during shipping.