3D Printer Kit Clogged Extruder Nozzle .2mm .25 .3mm .35 .4mm .45mm .5mm 10pack bits + Pin Vise for MK7 MK8 Makerbot RepRap Felix 3.0 3.1 Universal 1.75mm filament ABS PLA Will clear nozzles and produce finer prints Shipped in protective plastic case Japanese made tungsten carbide bits 3.5" comfortably held nozzle cleaning pin-vise tool Restore print quality in minutes!