Angry bring the action Shipwreck gray pencil Raise yourself Glue mass
Art Set | Sketch Drawing Pencils
pencils! - Derwent makes a really nice and reasonably priced set of graphic pencils - http://amzn.to/Hl9dKI | Gray aesthetic, Touch of gray, 50 shades of grey
Prismacolor Pencil PC1076 French Grey 90% - RISD Store
Choosing the Right Graphite Sketching & Drawing Pencil | Ken Bromley Art Supplies