Create Durable, High-Impact Strength Prototypes and FixturesMakerBot Tough PLA Filament is as tough as ABS and as reliable as PLA. Made with designers and engineers in mind, the Slate Gray Tough PLA Filament Bundle allows you to create durable, high-impact strength prototypes and fixtures. It includes three spools of Tough PLA Filament and the Tough PLA Smart Extruder. MakerBot Tough PLA Filament is rigorously tested and optimized to work with the MakerBot Tough PLA Smart Extruder.Whereas printing with ABS can easily result in warping, Tough PLA Filament is engineered and tested for consistent results. It features a tensile, impact, and flexural strength thats similar to ABS. Plus, its more durable than PLA meaning that it can flex more than PLA before it breaks. You can print jigs and fixtures with threaded and snap fits that can withstand repeated use. Print without the hassles of ABS or the brittleness of PLA.