Wilkinson Deluxe 3L+3R Guitar Machine Head Tuner BK from korea Pls check the measurement in the above photo. Ferrule,Screws are included. Payment: We only accept Paypal; Shipping: Once payment has been confirmed, your item will be shipped within 2-3 business days.After the packages are shipped, the seller will provide the tracking number to the buyer. Normally it takes about 3-8days to arrive. Shippment: Ship by EMS, TNT, CSS,and so on (that is the USPS ) to most countries of the world. If you are from other countries,please contact us before ordering! We welcome combine shipping,then the customer will save much shipping cost. Terms of Sale: If you are not happy with any item, please contact us within 14 days of receipt so that we can arrange for an exchange or refund. After getting the returned item,we will refund the customer at the item?s price.You will pay a 25% restocking fee. Contact us : We are always willing to help and if you need any advice pls feel free to email.