Nicholson 21858N Half Round Hand File, 10" BF20 Fibro-Seal® technology

Fibro-Seal® technology

Spacing from 24 to 45 feet apart (7

For use with model #HD-950A

For installation of a chimney in a cathedral or pitched ceiling such as standard A-Frame construction

Working blades with red accents

Nicholson 21858N Half Round Hand File, 10" BF20 Fibro-Seal® technologyAmerican pattern half round file. Used on concave, convex and flat surfaces. Rounded on 1 side, flat on opposite. Rounded sides of all half round files are double cut. Flat sides of all half round files are double cut. Pipeliner file (#05190N) is single cut on both sides. Used on concave, convex and flat surfaces Rounded on 1 side, flat on opposite Rounded sides of all half round files are double cut Flat sides of all half round files are double cut