Heavy Steel Construction Makes up to 90 Degree Bends Mounts to Bench Bends to 17 Gauge Mild Steel 30" Steel Bending Brake Our 30" Sheet Metal Bending Brake is perfect for bench top use. This brake features: High quality steel construction, Easily makes up to 90 degree bends, Bends material up to 30", Bends material up to 17 gauge mild sheet steel, Designed for bench top mounting or mount using "C" clamps