The Winsor & Newton Putty Rubber is a plastic rubber that can be moulded to a fine point for miniscule erasing. It'll be perfect for correcting the tiniest of details or picking out highlights when working. This putty rubber will be equally effective on pencil, chalk and charcoal. It erases cleanly, without smearing your work. The Winsor & Newton range gives you two sizes of the putty rubber. Choose from medium and large for the perfect eraser for your work.Size: 1.3 x 6.8 x 4.1cm (0.5 x 2.7 x 1.6 inches)Plastic/ putty eraserCan be moulded to a fine pointNo smearingIdeal for erasing tiny details and highlightingErases pencil, chalk and charcoalWinsor & Newton Large Putty Rubber