Solo®Perpetua® is a recycled graphite pencil that incorporates a brush on its end. A new unique Perpetua Object “we had to invent it”.
Solo® (Patented by Pennelli Faro) is a mono-material brush made of 100% PBT, an innovative material composed of 60% post-consumer PET. 
Perpetua® (Patented by Alisea) is a pencil made of 100% Zantech®, an innovative material produced using Upgraded Recycling Graphite recovered from the industrial production of diamond tools for the ceramic, stone, glass, mechanical and optical industries. 
6 are the different colors of its bristles: white, black, red, green, blue, yellow. 
Designed by Marta Giardini Studio.
 
Features:
Has a single flat side that doesn't spin it away (grip control)
Writes, draws, shades and watercolors
The stroke is comparable to a 2B hardness