Makes Bends To 135 Degrees In Galvanized Sheet Steel Up To 22 Gauge (0.86 Mm). A Beefed-Up 1/4” (6.4 Mm) Plate Steel Apron And 4’ (1.22 M) Metal Width Capacity Makes The Mini Brake Ideal For Fabricating Plenums Or Large Transitions At The Job Site. A 1/4” (6.4 Mm) Plate Steel Apron And Adjustable Strengthening Ribs On Anvil Assure Uniform Bends Across Width Of Material. Common 5/16” Course-Thread Adjustment Bolts On Anvil Are Factory Set And Are Also Easily Adjustable In The Field As Necessary. The Mini Brake Also Bends Metal Roofing Components And Roof Flashing Including Copper And Aluminum. Dual-Direction, Cam-Over Style Clamps Keep Anvil Secure In Any Position. This Safety Conscious Feature Prevents Anvil From Free Falling Or Creating A Pinching Hazard.