They are easily sharpened with a sandpaper block. Double-ended, pointed and made from soft, gray paper felt. 18 PCS Blending Stump by Urni Craft Drawing Tools Shading Paper. - Professional sketch rub pencil for drawing.
18 PCS Block Sander Pad Drawing Tools Blending Stumps Shading
48 PCS Sketch Drawing Tools, 20 Blending Stumps Set & 2 Sandpaper Pencil4430
48 PCS Sketch Drawing Tools, 20 Blending Stumps Set & 2 Sandpaper Pencil1596
Sketch Drawing Tools Paper Blending Stumps Sketching Drawing Kit
Sketch Drawing Tools,20Pieces Blending Stumps Set with 2 Sandpaper Pencil
18 PCS Blending Stump by Urni Stumps for Drawing Tools Shading
