| Description: This combination square is mainly made of stainless steel and zinc alloy, sturdy and durable. The laser engraving calibration is clearer and easier to read. Multi-functional, detachable and portable, it is a professional engineer measuring tool. Features: Adopting stainless steel ruler and alloy base, the angle ruler is sturdy and durable in use. With clear and accurate calibration which won t fade easily. 0~300mm measuring range, it is adjustable to measure right angle, 45 degrees angle, 45 degrees slope, length, depth and width. The level gauge design helps your measurement preciser. Easy to use, a professional engineer measuring tool. Only the type of black color has the extra … | |