2pcs Magnetic Ruler 300x34x0.76mm Grid Runner Soft Magnetic Ruler 2pcs Whiteboard Magnetic Straight Ruler 30cm Length Soft Ruler - Magnetic Materials - AliExpress

This durable, lightweight demonstration tool has both standard and metric measurements and features magnets on the back to allow use with your magnetic whiteboard. Includes a plastic handle for easy movement. Measures 24L.

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