Material: This circular cutter is made of alloy, ensuring high precision and durability for all your cutting needs. The improved blade design features magnetic attraction, eliminating the need for locks and allowing for seamless operation Adjustable Cutting : The cutter offers an adjustable ranging from 0.2 mm to 2.5 mm, making it great for creating circles on various materials such as pp sheets (up to 0.3mm thick), masking tape, and Efficient Time Saver: Designed to save time during operations, this Circle Cutter is ideal for tasks that require consistent circular cuts without compromising on accuracy or speed Usage Tips: For optimal performance, it is recommended to cut materials with a thickness of less than 0.2mm to ensure stability during use. When working with thicker materials, adjust the blade using the fine tuning knob gradually to deepen the score line slowly and avoid excessive force that may cause misalignment Compact Design & Package Contents: With dimensions of 9.8 cmx9.8 cmx1.3 cm/3.86 inchx3.86 inchx0.51 inch, this compact Adjustment Circular Cutter is easy to handle and store. The package includes 1 circular cutter, two blades, and a non slip rubber pad at the base for added stability during use Specification: Material: Alloy Size Chart: 9.8cmx9.8cmx1.3cm/3.86inchx3.86inchx0.51inch Package Includes: 1 Circular Cutter 2 Blades 1 Non Slip Rubber Pad Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.