Feature:_x000D_ _x000D_ The products are made of ABS and acrylic materials by special process. _x000D_ The product is as clear as crystal. It's very beautiful. _x000D_ It is very easy to see the direction of measurement. _x000D_ Level bubbles are very compact and can be carried around. _x000D_ It is suitable for horizontal calibration of balance, electronic scale, camera platform and other equipment. _x000D_ _x000D_ Specification:_x000D_ Material: ABS Plastic_x000D_ Measure range: 306mm_x000D_ Accuracy: 10_x000D_ Product dimension: 1.5*0.8*0.5cm / 0.6*0.3*0.2in_x000D_ Weight: 8g / 0.3oz_x000D_ _x000D_ Package list:_x000D_ 5 * Level Bubble_x000D_ _x000D_ Note:_x000D_ The actual product color may deviate from the photo due to light._x000D_ There may be a slight deviation in the measurement of product. 1The products are made of ABS and acrylic materials by special process. 2The product is as clear as crystal. It's very beautiful. 3It is very easy to see the direction of measurement. 4Level bubbles are very compact and can be carried around. 5It is suitable for horizontal calibration of balance, electronic scale, camera platform and other equipment.