The circle cutter positioner is divided into two parts: the holder and the positioner. The fixer is made of aluminum alloy with an anodized sandblasted . The back of the holder contains non-slip pads to that the holder not slip during use. The locator is made of acrylic transparent material, the contains a circular ruler, which can roughly determine the cutting (The circular scale is used to observe the position of the cut circle. (The circular ruler is used to observe the cutting range). Colour: As Shown Material: Metal Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Package Contents: 1 x Stepless Adjustment Circular Cutter Locator 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.