Two functional parts, one is a straight ruler with holes and the other is an abstract ruler with a curved outline.The tool has a scale, you can clearly draw the size chart when you draw.These modules can be used independently as a scale or curved ruler.The integrated wire guide tool, key set and bottle opener.Can draw circles, lines, slanted bars, patterns, combination patterns, very practical and practical.Delivery Quantity: 1set (4pcs)Package Contents: Only the above package contents, excluding other products.Size: Protractor tool: 8*2.2*2.7cm, Ruler tool: 7.7*0.9*1.9cm(Reminder: The size is measured manually, please allow 1-2 cm measurement error)Color: as pictured(Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)