Best Seller | Mitsubishi Pencil oil-based ballpoint pen refill SA-7CN black 10 pieces SA7CN.24 Shaft diameter 3.0 x total length 121.0mm;Genuine refill for Rakuknock ballpoint pen. With a ball diameter of 0.7mm it is compatible with devices other than Raku Knock.;Raku Raku series uses VERY Raku Ink which features a smooth writing... more | | $38.23 FREE shipping go to store |