Scratch Brush Glass Tip ∅ 2 mm.. 

• Pen shaped. ∅ 7 mm.
• Held in pin vice with spring.
• Length 5cm.
• Fibre Glass ∅ 2 mm re-fills.

The glass bristles feed with a push of the pen top and are useful for a variety of tough cleaning tasks, including rusty parts and electrical contacts. This pen can also be used to put a matte finish on a high gloss strap by very gently brushing on the surface.