« See more Nitram Sharpening Bloc

The Nitram Sharpening Bloc is ideal for shaping and sharpening charcoal and other drawing media. It measures approximately 9" long x 3-1/8" wide at its widest point. Includes an extra set of sanding pads.

Sharpening Bloc
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FOB Factory

Factory Direct

Material Safety Data Sheet

Material Safety Data Sheet

Nitram is a trademark.