Features:Made from excellent acrylic materials, the glass has a light transmittance of 92 percentage so that the bubble will show the level directly. It has a wider application to showing the level of wood measuring tool, industrial equipments, medical appliances, desktop, camera, and other places of higher accuracy. It will make easier and more convenient for you to adjust the level to the highest accurate angle. Put it on the surface you want to detect, the middle positon of bubble inside the spirit level means that the surface is on the ground level. Otherwise, please adjust the surface. Specifications: Material: acrylic. Size: 15*15*40mm Net weight: around 5g. Package Included: 6pcs Bubble Spirit Level ★Made from excellent acrylic materials, the glass has a light transmittance of 92 percentage so that the bubble will show the level directly. ★It has a wider application to showing the level of wood measuring tool, industrial equipments, medical appliances, desktop, camera, and other places of higher accuracy. ★It will make easier and more convenient for you to adjust the level to the highest accurate angle. ★Put it on the surface you want to detect, the middle positon of bubble inside the spirit level means that the surface is on the ground level. Otherwise, please adjust the surface. ★Package Included: 6pcs Bubble Spirit Level UPC 782429225423 Color Transparent Brand Name DEVMO Style Name Standard Item Weight 5 Grams Manufacturer DEVMO Material Type Acrylic Operation Mode Manual