Silicon Carbide 6" x 1/2" Square File Professional Machine this is commonly called the

this is commonly called the BESS Tester

The spark box is compatible with all MAG-200 [gen2] Dust Collectors

By aligning your edge you're putting the metal in a straight line and that straight line is what you want when you're cutting

These items are available individually

The parting seam facilitates breaking the brick in half to create two smaller bricks

Silicon Carbide 6" x 1/2" Square File Professional Machine this is commonly called theSilicon Carbide Files Silicon carbide file are ideal for fast material removal. Their abrasive nature makes them perfect for quickly performing operations like coarse sharpening, shaping, leveling, or removing burrs after machining. Silicon carbide stones are relatively fast cutting compared to aluminum oxide files, and are often employed when speed is important. Dimensions 6" x 1 2" Square Available Grits: Fine 280 Grit Medium 180 Grit Coarse 120 Grit