Nub removal is one of the most important techniques to master. It's a fundamental not only for Gunpla building but in all branches of scale modeling. Nubs refer to small bits of plastic, left on the parts after cutting them from the runners. Nub removal is a process of shaving and sanding them down until they disappear. High-Grade Polishing Metal Files It is made of high strength Stainless Steel, durable, anti-corrosion filing metal. Its anti-skid design makes it super easy to use. Polishes ALL Different Sides, Curves, AnglesŚ EVEN Tight Spaces! Super value polishing set for your Gunpla models or figurines!! Effectively remove all ugly nub marks! Best for small, hard to reach places, a filing tool that works wonders. Safely File Without Damaging Parts! Use for different filing activities especially on plastic model kits. Suitable for a beginner and advanced modeler. Use it to toy cars, robots, cartoons, and other crafts. A fun activity for children and parents and it's a great way to introduce someone to modeling! We truly believe we make some of the most innovative products in the world, and we want to make sure we back that up with a risk-free ironclad 45 day guarantee. If you don't have a positive experience for ANY reason, we will do WHATEVER it takes to make sure you are 100% satisfied with your purchase. Buying items online can be a daunting task, so we want you to realize that there is absolute ZERO risk in buying something and trying it out. If you don't like it, no hard feelings we'll make it right. We have 24/7/365 Ticket and Email Support. Please contact us if you need assistance. Remember: Shipping usually takes 2-3 weeks read our Shipping for more details!