Graphite on Vellum Bristol
Mechanical Pencils B, HB, 2H
Castell 9000 Black Graphite Pencils - 6B,4B,3B,2B,B,F,2H,4H
Various erasers, blending cones, chamois, and micro-fiber cloth for bending
About 10 hours
Here's a few shots of my work setup - I like keeping everything organized so I can quickly find the pencil or tool that I want/need.