The Eclipse Tools SI169U 3D Printing Finishing Tool with Tailored Finishing Tips is designed to finish, repair, and modify 3D printed parts. This model includes 4 tips for various applications. The Needle tip is designed for clearing small holes and features or for detailed layer refinements in hard to reach places. The Knife tip is for cutting and removing sections including the removal of supports, brims, and rafts from the 3D print. The Scoop tip is perfect for removing stringing and imperfections from inside holes or recesses, and can also be used to blend surfaces. The Standard tip is a general purpose tip for larger internal features and holes and can be used for making holes after printing.