[Precise Scale]The combination square stainless steel ruler is laser calibrated with deep etchings, wear-resistant, clear and easy to read for long-term use. Construction protractor with high precision laser engraved dial, clear white markings, contrast with red background, easy to read, not easy to wear and . It can directly read the angle of the miter saw, effectively improve the efficiency of woodworking and save time. [ 2- in -1 Design]]Our construction protractor has the function of both ruler and angle measurement. The woodworker can measure the angle from 0-180 degrees or so according to the user, and draw lines precisely where needed. Whether you are drawing lines or measuring angles, it can meet your work needs at the same time, saving you time and labor. [Adjustable Metal Protractor]Woodworking square protractor features center positioning and quick line drawing. By locking the knurled nut in the desired position, you can quickly and accurately fix the angle to draw straight lines for setting bevels, drawing radial lines, measuring and marking angles.The design also gives you extra portability. [Multi-functional Protractor]Quickly obtain 45 degree and 90 degree. Combination protractor can be used to measure angles, draw lines, make depth and height measurements, quickly draw circles as well as center of circle measurements. Get angles, draw lines and circles with just one woodworking angle protractor, saving woodworkers valuable time by eliminating the need to carry a bulky toolbox. If you're looking for an accurate and solid home Measuring Tools, our carpenter square is what you need. Colour:red Material:Aluminum alloy Package Contents: 1 x Protractor Angle Finder Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.