[Material] The square ruler is made of engineering plastic, with high hardness, anti-fall, durable and easy to carry. [Right angle shape] The clamp clip can be used as a right angle shape to quickly create frames, right angle corners and other parts. [Accurate scale] There are width scales on both sides of the positioning, which can help you better measure wood products. Near the center of the position ruler, there are 45 degrees and 22.5 degrees for quickly measuring the angle. [Wide Applications] Very suitable for gluing and assembling your boxes, drawers, frames, furniture, cabinets, etc. It is useful to incorporate them into your fixtures and fixtures. [Positioning Squares] There are four 4/100mm in the package, which can meet your basic needs and help you better assemble things and complete the project. Feature: - Clear scale, high hardness, drop resistance, strong and durable. - Easy to use and does not damage sensitive cutting edges. - They even make your small gluing work much