Description:
 
The Nitram Sharpening Bloc is ideal for shaping & Sharpening Charcoal & other drawing media.
Simply hold the handle and drag your media over the sanded pad.
This tool measures approximately 9" (23 cm) long x 3.15" (8 cm) wide at its widest point.
Helps Sharpen NitramCharcoals to a fine point.
Nitram’s Sharpening Bloc is for real artists with an appetite for sharp drawing tools! And it comes with a spare set of sanding surfaces.