XQ1005-1N Pentel Smash XQ1005-1R Pentel Pentel 4902506343925 (10 sets)

Core diameter: 0.5 11 x 9 x 139 mm 13g Rubber grip. Comes with a core hardness display window. Large rubber knock. ◆ Mechanism: Knock type ◆ Built-in core: HB ◆ Comes in blister pack ◆ Replacement eraser: Z2-1N