D. B. Shah and Brothers offers Bi-Metal High Speed Steel Edge Saw Blades. D. B. Shah and Brothers also manufactures Hydraulic Torque Wrench, Lawn Mowers, Torque Wrenches, Saws, Precision Tools and Pipe Plumbing Tools of Drain Cleaning Equipment. The Bi-Metal High Speed Steel Edge Saw Blades, Power Hacksaw Blades, are used for tough materials.