Description: 5mm replaceable eraser refills and 40 pieces 2.3mm packed in Box. Erases on paper with very light pressure, without scratching or tearing. In order to make you more focused with your , We are equipped with a replacement length of 25 mm refill. All rubber replacement refill using natural white rubber, healthy and environmentally friendly. Suitable for painting, architectural drawing, art . Easy to replace the refill, efficient electric eraser can help you quickly wipe away the extra pattern, electric eraser is more efficient than ordinary eraser. Specification: Material: Rubber Size of thick refills: Approx. 25 x 5 mm / 0.98 x 0.2 inch Size of thin refills: Approx. 25 x 2.3 mm / 0.98 x 0.09 inch Size of box: Approx. 700 mm / 27.56 x 19.69 .84 inch Package Includes: 5mm Eraser Refills 40 Pieces 2.3mm Eraser Refills