The 400F1T is a triangular ceramic file measuring 5 inches with a 0.25-inch thickness, purpose-built for precision deburring, trigger work, and sharpening small tools. Ceramic construction delivers consistent abrasive performance without the brittleness of traditional stone files, making it durable for repetitive detail work on knife and tool finishing. The triangular profile reaches tight internal angles and edges that flat files cannot access, essential for gunsmiths and knife makers refining trigger mechanisms or blade geometry. White ceramic composition resists loading better than alternatives, keeping the cutting surface effective longer between cleanings.

Ceramic File. Dimensions: 5" x 0.25". Triangular. Ideal for deburring parts, trigger jobs, and sharpening small tools. Ceramic construction. Color: White. Bulk packed. May not be sold through Fulfillment By Amazon (FBA).