Material: Our woodworking squares are made of premium stainless steel ruler and hardwood handle, with fine workmanship, sturdy and durable, not easy to rust and crack, and can serve for a long time. The surface of the wooden handle is smooth for comfortable grip. Double Scale Ruler: The adjustable woodworking square bevel gauge has metric and imperial scales, can clearly identify the scales ranging from 0 to 20 cm and 0 to 7 inches. The scale is accurate and easy to read, clear and wear-resistant, making it convenient to measure and use. They are small and lightweight, foldable design allows you to carry them with you and use them at any time. Adjustable Angle: This sliding T-shaped bevel ruler can be rotated 360 degrees, and the angle can be locked by turning the center knob to meet your needs for multiple angles. Wide Application: These adjustable square rulers are ideal for architects, engineers, carpenters, and craftsmen to create perfect lines, precise angles, and measurements.