products are used in tools & hardware, various mud trowel, shovel, woodworking bandsaw, automatic clutch patch Mud trovel1) Material: 50#, 65Mn, 60Si2Mn, T7-T12A 2) Color: black, bright, blue and yellow. 3) Specification: thickness: 0.25-3.0mm width: 40-260mm 4) Usage: These products are widely used in tools and hardware, final shutter spring (round edge), reeling shutter spring steel strip, ...