Amazon.com : Rotring 600 3-in-1 Multicolor Pen and Mechanical Pencil, Switches Between 2 Ballpoint Pen Fine Point Tips (Black and Red Ink) and 1 Mechanical Pencil Tip (0.5mm Lead), Black Barrel : Office Products
3 + 1 Çok Fonksiyonlu Kalem 3 Renkli Top Kalemler Artı Mekanik Kalem 0.7mm / 0.5mm Sihirli Metal Çok Fonksiyonlu Kalemler Andstal Tükenmez Yi TL624.06 | DHgate
Rotring 600 3 in 1 Krom Multi Fonksiyonlu Kalem - engkalem.com