... The engraver can be used to process or make a lot of products: billboards, nameplates, chest brands, stamps, direction signs ... Speed300*250*40mmSpindle Motor800W water cooledEngraving Speed070mm/sRotation Speed of Spindle Motor6000~24000rpmEngraving Tool3.175MM ,4MM ,6MM (optional ... straight lines are controlled separately, in high ratio of data transmitting.Processed finals: metal embossed sign, metal ...