Purchase NotesThe logistics tricks that may be despatched in our shop encompass "Rookie Super Economy", "AliExpress Standard Shipping", "Yanwen Economy" and so on. If you select the "economical" mode of transportation, some nations will delay receiving packages in the course of the height logistics season. If you cannot accept the delay, then please favor air mail for quicker transportation and protection. (The logistics of the abroad part of "Cainiao Economy" is usually no longer updated, and you need to decide up the package on the submit office) Please choose the appropriate logistics transportation formulation in step with your needs.We present customized amenities and extra precedence services. When you need extra number and customized solutions, you might contact me. You will get discounted "exclusive" VIPprices. Looking ahead to working with you! I could be your perfect supplier: HeSaiCollect my shop and change into my fan. In my shop discount event, followers will get larger VIP discounts!Buying Tip:When you get hold of the product, the product seems "fine scratches, broken needles, bent needles". I do not accept your dispute if it does not influence the use. If you don't agree, please don't buy on this store. Of course, once you accept this mushy product situation, below life like circumstances, once we avoid disputes, I might be able to provide you with some reductions on yournew order.Happy shopping!Extruder special for gear.Inner gap diameter: 5mmOutside diameter: 12mmLength: 13mmModulus: 0.3The screws: M4 hexagonalIf need more parts Pls clickand submit the order.If you need extra quantity,Pls contact us. If you mind the price,If some parts cannot discover in my store,Pls contact us,we still have many parts don't published.We will send thelatest edition of product, the upgraded function. It may perhaps has various form or color. If you can't agree, pls don't buy.Please don't open dispute and go away any unhealthy feedback, you probably have any question, be at liberty to contact us,we will give you passable answer. Hope you know us, thanks in advance.Your delight and fantastic suggestions is significant to us. Please leave wonderful feedback and 5 stars if you are convinced with our goods and services.If you have any problems with our goods or services, please be at liberty to contact us first before you permit unfavorable feedback. We will do our best to unravel any disorders and provide you with the finest customer service.