The Artist 520 is a soft green plastic eraser, for erasing pencil strokes from any surface.  Especially recommended for 7H, 6H, 5H, 4H, 3H, 2H, H, F, HB, B and 2B pencils.  

• Produced by Milan
• Made in Spain
• Artist 520:  6.1 x 2.3 x 1.2 cm