Appropriate design: The design of the groove on the right angle positioning block makes it easy to pinch, avoid displacement.High quality: the right angle positioning ruler is made of high quality plastic, which is wear-resistant and durable.Surface Treatment: The rectangular rectangular clip has an anodised red finish which is durable and corrosion resistant.EASY TO USE: There are 45 degrees and 22.5 degree scales near the center of the right angle, which is convenient for measuring the angle.VERSATILE APPLICATIONS: Right angled positioners can be used to clamp boxes, photo frames, shelves and outer corners to support levelling during the gluing process.Produktbeschreibung Size:3inch Specification: Condition: 100% New Material: plastic Optional Style: 3", 4" Box contents: 4 x 90 degree angle ruler.