Diamond files are similar to needle files but coated in industrial diamond dust. They have a very fine, randomised texture, less prone to leaving visible patterns.

• File burrs from a rounded head.

• File facets onto round shafts.

• File heads to the next size down.

• Buy a variety of sizes for easy access.

• Buy in varying coarseness.

• Always wear eye protection.

• Always wear skin protection.

• Always wear impact protection.