The Crescent Nicholson warding files with a smooth-cut pattern are primarily intended for locksmiths to use in repairing or filing down the ward notches in keys. The double-cut pattern and smooth coarseness make them fast-acting files that still leave smooth edges.

• • American pattern warding file, bastard cut
• • Thin rectangular shape lets you work on fine objects or in small areas
• • Double-cut on sides and single-cut on edges for more versatile performance
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