Bubble level,liquid level, bubble vial, circular vial,camera bubble level, Spirit level vial, Round spirit level, Mini spirit level, Bubble spirit level, Measuring spirit level. We can supply kinds of spirit levels. 1. Round spirit level; 2. Tube spirit level; 3. Camera special level. Spec: 1. The material is high quality acrylic(PMMA); 2. Work tempareture is -20C-70C; 3. OEM is acceptable.