[Multiple Functions]: As level tool, it leveling of places,to show horizontal levels everywhere. [Easy to Use]: This magnetic bubble level can stick on anywhere. It contains 4pcs standard levels. [High Precision]: Just level untile the bubble in the middle, it shows the high accuracy mini spirit bubble level of different places. [Wide Applications]: Adjust photo frame level, camera level, shelf level, equipment level, table desktop level, level, tripod level, RV level, scope level, spirit level measuring tools etc. [Warm Tips]: Please check magnetic magnet bubble spirit level when leveling. colour: black Material: plastic Package Contents: 4 x Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.