Find Center of Any Irregular Items --- This Clear Center Finder Compass can draw a circle and find the center point on irregularly shaped or rough items with a diameter of 200mm/ 7.9inch.Versatile Center Finder --- This centering tool It can be applied wherever a circle is needed, fits for wood turning, art, crafts, school projects and finishing woodworking; For wood, poster boards, plastic, metal, glass, composite materials, etc.Clear Round Design --- Clear arylic with clear index assists you with quick, easy placement, you can easily find the largest circle on the log, avoid unnecessary waste of wood corners, and achieve maximum output.Premium Quality --- Adopt premium transparent acrylic material, the item is environmentally friend-ly and durable with good light transmission and high definition.Easy to Use --- Simply tap a small nail or pin (not include) through the center hole, insert a pencil in your choice of diameter hole, and pivot around the center point to make your circle mark.Drawable circles: radius 10 mm to 100mmDiameter: about 20cm/7.87inThickness: about 5mm/0.2inColour: transparentMaterial: acrylicPackage Contents:1 x Round Center Finder CompassOnly the above package content, other products are not included.Note: Light shooting 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.