Material: Overall high-strength engineering plastic, high hardness, durable and easy to carry. Various Sizes and Packaging: 8 3-inch 90-degree positioning squares < p>Perfect 90° Corners: It will be a breeze to create the precise 90-degree right angle trims that are so important for balanced project results. Quickly and easily attach to angles. Multi-angle scales: There are 45 degree and 22.5 degree scales near the center of the right angle finder, which is convenient for measuring angle. Applications: Suitable for wood, metal at right angles and 90 degree welding, etc. Suitable for gluing and assembling boxes, drawers, frames, furniture, cabinets, etc. Some woodworkers even find it useful to incorporate them into their fixtures and accessories. Note: The data is all measured manually, please allow 1-3cm error due to light and display differences. There may be color difference, please refer to the actual item received.