Feature:1. Strong Friction: Sanding board friction is large, you can grind the angle you need, convenient and clean, sand distribution is even and full.2. Sanding Board Function: Sanding board can sharpen the tip of the pen, can grind the solid pigment into powder, can put clean paper pen.3. Drawing Tools: Useful drawing tools to lighten lines, blend colors and create shadows, blurring effects. For thin areas, draw lines with textures and patterns, you can also add subtle or soft effects to your painting. A great help for your painting.4. Gift: These sketching drawing tool sets are great for kids, students, artists, sketching beginners, learners, etc. to do better drawing.5. Applicability: This drawing tool set is suitable for smearing, blending or smoothing pastels, charcoal, chalk and pencil.Specification:Item Type: Blending Stumps TortillionsMaterial: Paper, EraserSanding Board Use: Pencil, Sketching Paper Pen, Sharpening TipPaper Pen Size: Approx.14.9cm / 5.87in, 15cm / 5.91in, 12.4cm / 4.88inEraser Size: Approx.3.7 x 4.4cm / 1.5 x 1.7inPen Holder Size: Approx.13.4cm / 5.3inSanding Board Size: Approx.16 x 2.9cm / 6.3 x 1.1in.Package List:3 x Erasers3 x Double Ended Pen Holder24 x Paper Pens3 x Sanding Board