The characteristics and uses of the sliding bevel
Square is also called "square", is the main decoration workers or Carpenter
To be one of the tools, mainly used to check the cutting board, and wood structure is vertical and edge into rectangular woodworking tools.
Original wood, no scale, now generally metal texture, more use of stainless steel. The type system is generally the same width, with the scale of two straight feet perpendicular to each other, usually the shorter side is about 60% of the long side.
It can also be used to draw shorter lines, perpendicular lines, calibrate the flatness of the machined plane and the perpendicularity of the end of the workpiece, and can also be used to draw arcs.