MSF-13 Siren-glass Ultimate Precision File (90 mm)
Tempered glass file with a super fine grit. The main purpose is for polishing off plastic surfaces that have imperfections from molding lines and nubs after cutting off runner tree. If you don't paint your model kits but love detailing them, then this what you need to finish the job with great results. A very delicate tool so it comes with a protective case for safe storage.