Set of 3 slim stick sharp refills that you will want to match with your pencil sharp. ¦ Slim stick case. Slim size and shape that does not bulk up even if you put multiple items in a pen case. Cap color with pencil sharp lead diameter icon color Each lead diameter has a cap color that is linked with a pencil sharpener to make it easy to see the lead diameter at a glance. (A design that you will want to match with a pencil sharpen) The slim stick shape and the cores are connected with the icon color to create a design that you want to match it together. Product Specifications Core concentration: 2B, lead diameter: 0.05 inch (1.3 mm) Length: 2.4 inches (60 mm) (per piece) Quantity: 10 pieces x 3 pieces. Material: Cap: ABS, Case: PS