DescriptionBrand Name : CHEERBRIGHTCertification : NONEOrigin : Mainland ChinaModel Number : 16080048S04Color : GreenMaterial : acrylicSize: : 29.5*8.8*7.3mmFeatures: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 the spirit level onto the surface you want to measure, the middle position of bubble inside the spirit level will show that the surface is level.Testlevelmethod:youneedtofindacompletelyhorizontalplane,andthenputtheproductontheplanetotest.Youcanknowiftheproductisaccurate.Ifonesideoftheproductisnotlevel,youcanfliptheothersideat90degreestotest.Specifications:Material: acrylic.Size: 29.5*8.8*7.3mm.Net weight: around 5g.Package Included:2pcs Mini T-type Bubble Spirit Level