They can be sharpened with sandpaper sharpeners. Matriel: The drawing pump is made from good quality compressed paper. Design: Double-ended design, both end points can be sharpened and re-pointed with sandpaper blocks.
Bulestore 6pcs Drawing Paper Blending Stump Pencil Blending Stump Blending Stump Sketch, Size: One size, White
Jack Richeson 3-Piece Stomp Set, 1/2 by 5.5-Inch
Blender Blending Drawing Stump Sketch Artist Stumps Tortillions Paper Beginner Art Tool
Creative Mark Thrifty Display Easel - Black Finish : Target
12 Packs: 10 ct. (120 total) Blending Stumps & Tortillons by Artist's Loft™
Creative Mark Art at Jerry's Artarama
Creative Mark Blending Stumps - Perfect Art Set for Charcoal, Pencils, Pastels - Ideal for Artists and Designers - Solid Double [Set of 6]
Cretacolor Blending Stumps
20PCS Blending Stumps and Tortillions Paper Art Blenders with Pencil Pointer for Kids Student Sketch Drawing Tools
Creative Mark Aquastroke Brush Set of 4 – Jerrys Artist Outlet
Artists' Blending Stumps & Tortillons for sale
Features: Sturdy, soft felt paper, Variety of Sizes and a set, clean and sharpen on a sanding block, and a traditional double-ended Design Perfect
Creative Mark Blending Stumps - Solid Double-Ended Blending Stumps for Blending Charcoal, Pencils, Pastels, and More! - [Size # 1-12 Count]
Mr. Pen- Blending Stump, 14 Pack with Art Eraser, Blending Stumps for Drawing, Shading Pencils for Sketching, Blending Pencil, Blending Sticks for Drawing, Blending Tool, Blending Tools for Drawing - Yahoo Shopping
Charcoal Pencil Art Supplies, Charcoal Sticks Drawing