Adjustable Bevel-- The carpenter's square can be rotated 360 degrees, and the rotation center "knob" can lock the angle. Use this tool to copy any angle between 0 and 360 degrees, and it can also be used as a depth gauge. Simply loosen the manually adjustable nut and tighten it. Two-unit Carpenter's Square-- There are metric and imperial scales (0-20 cm, 0-7 feet) on this ruler, which are clear and wear-resistant, accurate, easy to read, and will not fade. Hardwood Handle-- The T-square is made of high-quality stainless steel, durable and rust-proof, and has a long service life; This carpenter's ruler with hardwood handle has a brass decoration on the wooden handle, which can be held comfortably. Beautiful appearance. Ideal Length-- The total length of the bevel square is 23 cm, the wooden handle is 16.5 cm, and the total length when folded is 25 cm. It is small enough to fit in a toolbox and sturdy enough to be used for a long time. Perfect DIY & Professional Choice-- The bevel square is very suitable for DIY and professional use. It can create perfect lines for architects, engineers, craftsmen, and carpenters, providing precise angles and accurate dimensions.