The paper stump makes the difficult job of blending dusty media such as charcoal and pastel much easier and cleaner. Once the stumps get dirty and the points wear down they can be easily cleaned and re-pointed using a sandpaper block.
 
We have individual pen with below size imported from Taiwan can be found individually or in a handy pack of 3 siz. The paper stumps are made from compressed rice paper and with a point at each end.
 
Taiwan made stump pens :
No. 1: 5mm x120mm
No. 2: 7mm x 130mm
No.3: 10mm x 155mm