Stainless Steel MaterialThe bracket body is made of hardened stainless steel, the surface is polished, rust-proof and durable. The metric and imperial scales are marked on the body by a laser beam and are very legible. Superimposed dummy squares with marker function to detect and transfer angles as marker attachment. [Angle 0-360 degrees adjustable] By rotating the middle knob, the movable body can be adjusted to any angle between 0 and 360 degrees to meet your angle needs. Ideal for home improvement, professionals, draftsmen and woodworkers. [Wooden handle [anti-corrosion hard] The handle part of the product is designed with hardwood, which is not easy to corrode. High quality brass bound hardwood handle for comfortable grip. With wing nut angle adjustment, the ruler can be easily tightened and loosened. High Precision, Large SizeThe woodworking lattice has high precision, the size is 200mm, and the effective locking system sliding blade is designed so that it can be fixed without gap to improve the precision. The metric and imperial scales are marked on the body by a laser beam and are very legible. Wide range of applicationsPerfect for DIY and professional use. It can create perfect lines, precise angles and precise measurements for engineers, drafters, carpenters to create perfect lines, precise angles and precise measurements.