* Three square files are available from 4 to 12 in length * Handles are available for all sizes * Also called a triangular file, the sides of this file gradually taper to a point. All three sides are double cut. When used along a corner of the file, it will create a V-groove with a 60˚ angle. Useful for filing/ refining seats in prongs.

* Three square files are available from 4 to 12 in length * Handles are available for all sizes * Also called a triangular file, the sides of this file gradually taper to a point. All three sides are double cut. When used along a corner of the file, it will create a V-groove with a 60˚ angle. Useful for filing/ refining seats in prongs.

* This is a 250mm three square file * No 2 Cut * * Also called a triangular file, the sides of this file gradually taper to a point. All three sides are double cut. When used along a corner of the file, it will create a V-groove with a 60˚ angle. Useful for filing/ refining seats in prongs.

* This is a 300mm three square file * No 3 Cut * Also called a triangular file, the sides of this file gradually taper to a point. All three sides are double cut. When used along a corner of the file, it will create a V-groove with a 60˚ angle. Useful for filing/ refining seats in prongs.