The right usage ways for professional combination square you want to know

The combination square have two major parts , one is handle, the other is blade.

The usuage of a combination square without handle can be as follow pictures:

The usuage of a combination square with handle will be as follow pictures:

The handle of a combination square is die cast aluminium material, with enough strong and hardness, can be with different color of powder painting, with one horizontal acrylic vial can be used as spirit level.
The blade of a combination square is 2CR13 stainless steel ruler, 
with different sizes, can be 6"/150mm, 12"/300mm, 16"/400mm, 24"/600mm, 
with different thickness, 1.8mm or 2.0mm can be choosed, 24.5mm width.
The scriber is brass head and stainless steel rod. 
If you want to know more, you can contact us directly, we are manufactory in China, with old history.