Rotring Rapid Mechanical Pencil 0.5 mm Black S0324690 @ Rs 550 (90% OFF) http://www.amazon.in/Rotring-Rapid-Mechanical-Pencil-S0324690/dp/B0091G743K Rotring Rapid PRO Technical Drawing Mechanical Pencil Silver Chrome - 1904256 @ Rs 1,900 (79% OFF) http://www.amazon.in/Rotring-Rapid-Technical-Drawing-Mechanical/dp/B003M0O5S8 Rotring Rapid PRO Technical Drawing Mechanical Pencil Silver Chrome - 1904255 @ Rs 1,900 (79% OFF) http://www.amazon.in/Rotring-Rapid-Technical-Drawing-Mechanical/dp/B00JXIRDSW