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STABILA Spirit Level Type R 300, 61 cm, Torsion-Resistant Aluminium R Profile, 1 Horizontal Level, 2 Vertical Levels, Shock-Absorbing End Caps, Integrated Non-Slip Stoppers, Made in Germany, Yellow - Amazon.com
200mm 300mm Magnetic Aluminum Alloy Bubble Ruler Spirit Level High Precision Ruler Diy Tool - Level Measuring Instruments - AliExpress