Diameter: 3.175mm tip: 0.1mm length: 30mm. All the laser used on this CNC machine can't work on any metal and can't cut plywood. Both the spindle and ER11 have the correct diameter, but ER11 is designed to be minus tolerence to spindle so you can't put it on directly. USA, UnitedKingdom, Austrilia, France, Germany.USA, Canada, UnitedKingdom, Austrilia, France, Germany. DHL can not reach to few remote areas in your country, if you choose Express and living remote areas. If your area belongs to remote areas, the parcel can't reach. Please verify your address during checkout. We are not responsible for any wrong or undeliverable addresses. For the people comes from the country of Eastern Europe, the Middle East and South American. The item "1pcs CNC3018 with ER11 DIY cnc engraving laser PVC Milling Machine wood router" is in sale since Friday, November 16, 2018. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Woodworking Equipment\Routers". The seller is "hon_yile" and is located in wenzhou. This item can be shipped worldwide.