Try square

The attack angle is a teaching and embodies a certain angle, usually 90 °. He mainly takes place with carpenters and locksmiths to sketching right angle to each other to test already executed works and for aligning various elements use.

The attack angle is typically composed of two unequally long legs made ​​of metal or rare wood with a guide bar or stop on the shorter leg to create it on edges can. The angle of steel there as well as the simpler flat angle in the tolerance classes 00, 0, 1 and 2, and as a ( non-certified ) Workshop angle, where 00 represents the most accurate tolerance. In general, the angle with a corresponding distributed test certificate.

• Hand tools
• Teaching (technology)
• Tup