A brakemotor driving through a shaft-mounted speed reduction unit and controlled by a selector switch for single or continuous strokes, provides quiet instantenous engagement. Different from the eraditional driving method of mechanical shearers, it's one of the most advanced miniature mechanical shearers, and enjoys good reputation both in China and abroad. The low cutting angle and inclined shear direction reduces bowing and twist to a minimum. Blade clearance is easily set by a manually operated Quick Set device, it's an ideal truecut machining equipment of sheet metal and nonferrous sheet metal.