This is a pencil refill for the Pilot Coleto Multi Pen. Available in 0.3 or0.5 lead. Pencil refill takes the regular lead in the appropriate size.
Fully customize your Coleto pen by selecting from different body colors/designs and selecting your refills which are available in a wide array of pen colors/sizes, pencils, and an eraser. Make sure to line up your refill correctly before installing.