LAIESYA 3Pcs Small Square Magnetic Spirit Levels Set Precision Bubble Level Mini Horizontal Bubble Measuring Tool (15x15x40mm, Magnetic) Product Description: Product: Magnetic Square Bubble Spirit Levels. Material: Acrylic. Color: Yellow-green. Size(Width x Height x Length): 15x15x40mm (1.5x1.5x4cm) (0.59x0.59x1.6 inch). Product Features: Bubble shows in the middle position of the circle, the measured surface is level. Magnetic, can attached to the iron or steel surface to shows its level. Package Contents: 3x Magnetic Bubble Spirit Levels. Wide Occasion: Magnetic Square Bubble Spirit Levels Measuring Tools for Leveling Turntable, TV Mounts, Phonograph, Tripod etc.