Deburring Tool Kit Engraving Knife Carving Tool DIY 3D Printer Part 3D Model File Cutter Scraper Material Removal Tools Great for 3D Print Clean-up & Arts and Crafts. Pretty light aluminum alloy handle knife with anti-slip design. and more alloy steel blades. Snap-fitted top of the engraving knife, and the blade can be replaced by loosening the buckle. Everything needed to print, maintain and clean up 3D Models. Usage: 1. The first knife inserted in the middle of the head Arbor, appropriate to tighten the nut head, ready to use. 2. holding the same way to hold a pen, like, hard to force the appropriate direction consistent with the direction of the blade to avoid lateral provoke. 3. in order to protect the blade, blade extend the use of time, should be engraved paper plate mat board or wax paper under. Not recommended for use on rubber, wood! Color: As Shown Material: Metal+Plastic Package Contents: 1 set * 3D Model File Cutter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.