Multi-size 360 Degree Protractor Plastic Math Circle Protractors Clear Circular Protractors Mathematical Tool for Angle Measurement, Student School Office Supplies (4 Inch, 6 Inch, 8 Inch, 12 Inch)
Multi-size set: this set of plastic protractors contains a total of 4 different sizes of protractors, namely 4 inch, 6 inch, 8 inch and 12 inch, different sizes of rulers can meet your different measurement needs and bring you a better using experience.
Durable material: these math protractors are made of quality transparent plastic, strong and durable, with a smooth surface, not easy to be damaged or broken, and can be applied for a long time.
The hollow design allows you to better grasp it, and better read through the protractor taking information from books or other pages.
The 4-inch protractor is slightly different from other protractors, it has black and red scale markings, you can better distinguish the number of degrees.
Range details: complete 360 degrees, with clear scale markings on it, accurate to 1 degree, can be read from different directions, convenient for you to measure more accurately.
Different sizes of 360 degree protractors are equipped with centimeter or inch units, so that you can measure the length while measuring the angle, you can also use its edge to draw a complete circle or other exquisite curves to meet your needs.
Strong usability: these clear protractors can be applied for homework, drawing, technical drawing, etc., studen....
Aluminum Miter Saw Protractor, Thinkor 7\ Angle Finder Featuring Precision Laser Engraved Scales for Carpenters, Plumbers and All Building Trades
2 in 1 Digital Protractor: This Digital Protractor features laser-etched metric and imperial measurements on ruler edge,plus accurate digital readout,can measure both angle and length,ideal for use in carpentry, renovation work, or drawing.
High Accuracy & Durable Material: Accuracy of this corner angle finder is ±0.2 degree.Durable stainless steel ruler supports measurement between mm and inch,makes it can measure length (0~400 mm/0~7 inch) convenient and accurately.
0-360°Measuring & Locking Function: A hinge mechanism on the miter protractor allows a full 360 degrees to measure inside outside and reverse angles,and a locking screw can hold any angle when use your miter saw to make your cut.The angle finder will automatically display the reverse angle.
Zero Setting & Hold Function: Angle woodworking tool can be zeroed at any point in the swing to find relative angle.Display has a hold function to freeze movement for accuracy.Plus the display can be inverted for easy reading.
Large LCD Screen & AUTO OFF: The angle finder ruler has a large LCD display to get quick and clear digital readout. Automatically shut down after 5 minutes of inactivity.Powered by coin battery, comes with 2 batteries as gift.
Easy to Use - The square head can be moved up and down on the rule with a lockable assembly and a specially designed bolt to engage the slot for....
Perfect Attachment - The Center Head is an available attachment that provides an easy means of accurately locating the center of cylindrical or square....
Get Accurate Measurements - The protractor head has revolving turrets with direct-reading double graduations, a full 0 to 180° range in opposite....
Complete Quality Made Tool - The set includes the rule, square, protractor, and center heads that are made from durable hardened steel, which can....
Versatile Layout Tool - Starrett squares are offered in a practical variety of styles to suit the needs of the individual, whether it be a toolmaker,....