which consists of small cartridges that you can easily replace

that is easily attached to a standard water bottle

ISBN: 9789185639175

ISBN: 9789188369666

or you can pick up a 3-pack or 6-pack if you want a mix of sizes

kum wood 2 hole pencil sharpener Mere which consists of small cartridgesSmall pencil sharpener made of wood. This small pencil sharpener from German KUM has two holes, one for standard pencils (8 mm) and a wider one for thicker pencils (11 mm). The pencil sharpener can handle round, triangular and hexagonal pencils. The knife blades are razor sharp and made of carbon steel. It takes a very long time before the blades become dull, but if necessary, we also sell replacement knife blades from KUM. See our entire range from