Features Used for horizontal calibration of balance, electronic scale, camera platform and other equipment. Easy to see the direction of measurement. Level Bubblet is as clear as crystal. very beautiful. Level bubbles are very compact and can be carried around. The Round Bubble Level adopts ABS and acrylic materials by special process. Feature: Level bubbles are very compact and can be carried around. suitable for horizontal calibration of balance, electronic scale, camera platform and other equipment. Specification: Material: ABS Plastic Measure range: 10 mm Accuracy: 20-30° Product dimension: 6*6*1.2cm / 2.4*2.4*0.5in Weight: 31g / 0.3oz Package list: 1 * Level Bubble Note: The actual product color may deviate from the photo due to light. There may be a slight deviation in the measurement of product. Package List