Product Details Propelling pencil action exposes more of the glass fibres. The shorter the fibres showing the more abrasive the action. It is also great for applying a matte or brushed finish to metals as an alternative finish. Simply turn the black end to expose a few millimetres of the fibres and use it carefully under water. Wear gloves to prevent the glass fibre strands irritation to the skin. Plastic, pen-style case so the glass fibres can be neatly and safely stored away in between uses Twist end to gradually expose or retract the glass fibre tip Use to clean metal Use to create a satin/matte finish Comes with 1 glass fibre brush Refills are also available here
