Multifunction Drawing Accessories Set </br>The stumps and tortillas are good for using with charcoal or colored pencils and pastels. They are good tool kit for every artist. It can draw pattern and texture, create a hazy effect or use as paintbrush, help for your sketch drawing. </br> </br>Multiple length and width </br>They come in different lengths and widths which solves blending issues. Blending stump sizes: #1(11.5 x 0.4cm), #2(12 x 0.6cm), #3(12 x 0.9cm), #4(13 x 1cm), #5(13.5 x 1.1cm), #6(14.5 x 1.2),#7(17 x 1.5),#8(17.5 x 1.8), each size 1 pieces; Tortillion sizes: #1(7 x 0.6cm), #2(8 x 0.7cm), #3(9 x 0.8cm), each size 3 pieces. </br> </br>Pencil Extension Tool </br>The double-ended pencil extension tool is made of metal and wood, which helps you extended stumps, tortillions and pencils; Sandpaper sharpen blocks size: 2.7 cm in width, 16.7 cm in length. </br> </br>There is a Felt Bag as an Bonus </br>Including a storage bag with zipper, all the accessories can be placed in the felt bag, easy to store, convenience! </br> </br>Package includes: </br>8 x Blending stumps </br>9 x Tortillions </br>2 x Sandpaper sharpen pads blocks </br>1 x Pencil Extension Tool </br>1 x Storage Bag with Zipper