XIANQI Multi-FunctionIncludes a round rule and five small pencils. Professional All Metal Compass/Divider For Woodwork, Carpentry, Metal Work, Leather Work, Math, etc. Wing Divider With Pencil Holder Made from thick high-quality carbon steel and with a sizable length of 8 inches. Built for demanding projects. Easy To Draw and Adjust Lockable heavy-duty drawing compass for repeat measurements or drawing circles and arches, it wont skip or slide out of your coantrol. Fast And SturdyThe knob allows for quick, smooth adjustment until it comes into contact with the central collar. The metal tip of the tip can be firmly engraved and does not slip. AccuratePencil Holder To Easily Draw Circles Up To 18 In Diameter without reusing the ruler to measure the diameter, angle and draw a circle/arc.