U-Star UA-91913 Corundum Abrasive Pen 400# – a precision tool for modelers

U-Star UA-91913 Corundum Abrasive Pen 400# is a specialized abrasive pen designed for precise modeling work. The product is fully dedicated to hobbyists and professionals working with plastic, wood, resin, and metal models. It has been designed with comfort of use, high sanding efficiency, and the protection of delicate model details from damage in mind.

Main product features

• Equipped with a replaceable corundum abrasive insert with 400# grit.
• The pen’s working diameter allows easy access to hard-to-reach areas such as panel lines on fuselage parts, weapon details, or wheel wells.
• The used abrasive material – corundum powder – ensures high durability, even wear, and precise, smooth sanding without causing chipping or scratching of the model.
• Handy shape and lightweight design mean the pen fits perfectly in your hand, enabling hours of use without fatigue.
• Intuitive insert extension: simply twist the tip to reveal a new, clean abrasive surface.
• Recommended for modeling surface finishing, removing excess material, smoothing putty, and mattifying before painting.

Applications and recommendations

• Category: professional modeling tools
• Material: body – high-quality plastic, abrasive – synthetic corundum
• 400# grit – ideal for final sanding and preparing surfaces for painting.
• Does not generate dust – recommended for use at home and in model workshops.
• High efficiency and the ability to choose additional inserts with different grits.

U-Star UA-91913 Corundum Abrasive Pen 400# is a tool we highly recommend to all modelers, regardless of skill level. With it, you will achieve smooth surfaces ready for further processing. An excellent choice for both beginners (difficulty level 1/5) and advanced users expecting precision and repeatability of results. The U-Star brand is valued for the durability and innovation of its tools, ensuring long and effective use.