CNC 3018 Pro X-Axis Upgrade Kit Suit CNC Router 3018 Pro with CNC Milling MaQ7W1. CNC 3018 Pro X-axis Upgrade Kit Suit CNC Router 3018 Pro e:SCS12VUU: The suitable optical axis diameter of the product is 12 mm, and the lead of the T8 screw is 4 mm (one circle is 4 mm) SCV10VUU: The suitable optical axis diameter of the product is 10 mm, and the lead of the T8 screw is 4 mm (for example, CNC3018, CNC3018PRO) It support 38/40mm/42mm/44mm/45mm/46mm/52mm and 65mm fixture.Colour: silver Material: metal Package Contents: 1 42BYG / 57 stepping 1 set X-axis upgrade kit. This item is in the category "Business, Office & Industrial\Printing & Graphic Arts\Sign-Making". The seller is "joltio895" and is located in this country: CN. This item can be shipped worldwide.