7.87 Inch Round Center Finder Compass Acrylic Wood Turning Lathe Tool Measure
EASY DRAW CIRCLES: Once you locate the center, use a nail to hold the protractor in place. RACTICAL DESIGN: Thicken design of ruler body, durable,longer service life,the number scale is the radius,Laser scale, clear reading.The tool will makes your work more convenient and labor-saving.