Feature 1DURABLE MATERIALS: This circle drawing maker is made of excellent aluminum alloy and 304 stainless steel material, odorless, non toxic, durable, not easy to corrosion, rust, deform or damage 2PACKAGE INCLUDE: You will receive 1 aluminum alloy round form and 1 carving knife, the diameter of the form is about 12.5cm/4.92 inches, small and portable, easy to carry and store 3EXTENDED DESIGN: The perimeter of the adjustable circle drawing tool can be enlarged or reduced, and simply rotate the ring to open and close the charming aperture mechanism for drawing circular measurements 4SIMPLE OPERATION: You can simply place the ring circle making tool where you want, adjust the size of the center circle to suit your needs by rotating the gold edge, and then draw along the circle with a pen 5APPLICABLE SCENARIO: Circle drawing maker tool is easy to apply, suitable for your daily use, can be used for woodworking, DIY, etc.Item Type: Circle Drawing MakerMaterial: Aluminum alloy and 304 stainless steelProduct Features: Made of excellent aluminum alloy and 304 stainless steel material, odorless, non toxic, durable, not easy to corrosion, rust, deform or damage, durableColor: Black .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Circle Drawing Maker1 x Carving KnifeNoteThe screw can be adjusted to the appropriate tightness during the first installation without subsequent adjustment; Products should be stored in a dry place.