Precisions Circles Cutting: Equipped with diameter scale ruler for accurate 1mm 45mm diameter cut on sheets and masking tape Includes positioning tool for controlled circular cut in model building applications Professional Model Making Tool Set: Features adjustable pressure mechanism with steel cutter head for smooth operations Designed for precisions Circles cutting with spring loaded systems that adapts to various materials thicknesses Adjustable Pressure Systems: Spring tensioned rotary knob allows pressure for different materials thicknesses Steel ensures smoothly cut on, masking materials, and thin modeling substrates Ergonomic Construction: Lightweight 83x83mm tool body made from materials provides comfortable handling during extended model crafting Ideal for miniature work and detailed modifications Versatile Model Building Applications: Perfect for hobbyists creating scale models, garage, and miniatures Enables circular cut for, and parts in modeling projects, Manufacturer: YROHGKPN