HMM Rule/One in Black

This pen-ruler combination is a beautiful innovation that you need in your workspace. Its unique droplet shape means that it can perfectly slot into your notebook while you work and its compact design means that you can easily take it wherever you go.

This 2 in 1 pen ruler also comes with interchangeable heads for use on paper and on tablet. Unleash your ideas onto the page more easily with the HMM Rule/One! 

This pen also comes in gold.