教材向けモデルの溝引き定規です。 25ｃｍ。 溝の部分にガラス棒や金属棒などを使用することで筆で線を描くことができます。 This is a groove-drawing ruler for educational materials. 25 cm. By using a glass rod or metal rod in the groove, you can draw lines with a brush. International shipping costs vary depending on weight and package size. When using the World Shopping Biz service, you can estimate international shipping costs at the URL below. https://www.worldshopping.global/simulator/ The dimensions listed below are the product dimensions. Since these are not the packaging dimensions, we recommend using slightly larger measurements when calculating shipping costs with an international shipping calculator. Product Specifications H: 0.3cm W: 25.6cm D: 3cm Weight: 25g