Features: Equidistant parallelengraving ruler, aluminum ruler body, with tool steel grade engraving steel needle, small and easy to hold. Made-of durable aluminumalloy, this ruler allows you to easily adjust the width and spacing of your carvings lines for accurate and smoothresults. Perfect for hobbyists and enthusiasts who enjoy creating intricate and detailed models. Idealfor use in a welllit workspaceor crafting area, this ruler is a great addition to any model kitbuildingtoolkit. Elevates your model kitbuilding experience with our isometricsparallel line ruler and create professionallooking models with ease. Specifications: Material:Aluminium-Alloy Size:As Picture Shown Color:Black/Red Package Includes: 1x Parallel-Line Carving Tool note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.