DescriptionAre you looking for a professional, yet affordable iron Ruler? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further! Our professional Aluminum Alloy Ruler must meet you needs. It is one of the best choices for you.Features- Color: Black+Yellow+Silver. - Material: Wood+iron. - Size: 50.00X41.00X14.50cm/ 19.65X16.11X5.70in. - Wood and iron material is corrosion-resistant and durable, can serve you for a long time. - Simple operation to improve the teaching interest, suitable for school use. - Visually demonstrate the classic principle of lever mechanics. - Carry the weight block (not included) to make the experiment easier to operate. - The price is favorable and the quality is reliable. You can use it with confidence.
