Itoya Delicious Fish Flounder Protractor

Fish-themed stationery and goods Material: Stainless steel Country of origin: Japan This is a stainless steel protractor with an original design featuring a fish motif. 90 degrees is a right angle, 180 degrees is a flat angle, and 360 degrees is a flat angle!? Align the cross in the center, the mouth, and the tail fin horizontally, and then measure the angle. *This product is not suitable for accurate measurements.