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 NITRAM Charcoals 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.

NITRAM Replacement pads are designed as replacement pads specifically for the NITRAM Sharpening Bloc. Each package contains 5 replacement sharpening surfaces. The NITRAM Sharpening Bloc is ideal for shaping & sharpening charcoal & other drawing media.