■ Precision Slope Ruler 22cm Type • There is a crack in the third photo, which has been repaired with adhesive. It is completely bonded and there is no problem with use, but it is a repaired item. • This is a retro product, and the manufacturer is likely Muto Kogyo, but there is no marking. • Base 17cm x Height 21cm x Hypotenuse 26cm Precision Slope Ruler with Hypotenuse Ratio Scale ✮ Material: Acrylic resin ✮ The price has been reduced, so please purchase with the understanding that this is a modified item.