Draper Chain Saw File, 150 X 4mm (Box Of 12, Sold Loose) - CSFCarbon chrome steel hardened and tempered with rust preventative finish and dipped in rust preventative oil. Manufactured in accordance with BS498 Key Features High quality carbon chrome steel construction ensures durability and longevity for effective chain sharpening. Hardened and tempered design provides superior strength and resistance to wear, maintaining sharpness over time. Rust preventative finish and oil dipping protect files from corrosion,