LongZYU 3 x Stainless Steel Rulers, Metal Ruler, Double Scale, Edge Measuring Tool, Including 15 cm / 20 cm (8 Inches) / 30 cm (8 Inch) Precision Edge Steel Ruler for Engineering Teaching Office

• *-* 【MAKING MATERIAL】: Made of stainless steel material, comes with 3 rulers, 15 cm (6 inches) / 20 cm (8 inches) / 30 cm (11.8 inches) practical and durable.
• *-*【EXQUISITE DESIGN】: The stainless steel angle finder is equipped with a locking nut to lock the angle in any comfortable position, clear markings for your convenient measurement, which will not rub off over time.
• *-*【COMFORTABLE MEASUREMENT】: Suit combination, two different sized rulers, ruler and protractor 2 in 1 combination and the stainless steel measuring tool is quite easy to measure.
• *-*【CLEAR SCALE】: You can quickly and easily read the measurement of this stainless steel protractor with clear display, perfect for school and education lessons, paper starters, crafts.
• *-*【MULTIPLE SIZES】: Available in three sizes and these different 180 degree stainless steel protractors can meet your different requirements, the measurement mark is visible, accurate and will not blur or disappear.

Functions: A hole for hanging and carrying: The hole on the semicircular end allows you to hang it directly on the breadboard, it would be nice to specify decimal equivalents for common sizes. Long use: Made of durable stainless steel, great material for your long term use; Office rulers are engraved with markings so they won't rub off over time. Metric/inches: a good helper for converting between inches and metrics. Applications: Stainless steel rulers of different lengths are convenient for a variety of uses, use them for office, school, drawing, engineering and other tasks. Material: stainless steel. Package includes: 1 x stainless steel ruler (30 cm/11.8 inches). 1 x Stainless Steel Ruler (20cm/8") 1 x stainless steel ruler (15 cm/6 inches).