TheVolume55features a design inspired by the Fibonacci sequence, a series of numbers that approximate the Golden Ratio.

Each pencil features a two-toned finish with asilverimprint,silverferrule,pinkeraser, and a balanced graphite.The width of each colour block is the sum of the widths of the previous two colour blocks (1, 1, 2, 3, 5, 8, 13, 21, 34, & 55mm). A simple formula with a magnificent result.

Also available as complete pencils.

Click here for Blackwing replacementand.