Simple metal bookmark ruler straight ruler 15cm student office stationery measurement steel ruler so
<img align="absmiddle" src="https://img.alicdn.com/imgextra/i2/2848054910/TB2KyeMiDqWBKNjSZFAXXanSpXa_!!2848054910.jpg">n<img align="absmiddle" src="https://img.alicdn.com/imgextra/i1/2848054910/TB28gwpx_tYBeNjy1XdXXXXyVXa_!!2848054910.jpg">n<img align="absmiddle" src="https://img.alicdn.com/imgextra/i4/2848054910/TB2s0jdiyQnBKNjSZFmXXcApVXa_!!2848054910.jpg">n