level by adjusting the level of the marker measured value is compared, allowing you to cross-check the accuracy of these small hand-held bubble T level can be permanently mounted on the counter on your RV or furniture / machine, so you can always verify whether still at the level of ( be careful not to tighten the screws when used to deform the piano body too tight) using hanging pictures or other decoration time when smooth your RV or your RV is very useful commodity fixed or camper trailer tongue or rear Insurance the bar to check whether the level can be connected to the pool table or ping pool tables, play accurately using the machine tool, to ensure that the level of use magnetic iron can be glued on without screws. When using a telescope or camera pan or other tripod mounting apparatuses Each level has two screw holes for mounting a flat back surface and some people like to use a double-sided adhesive tape on the back surface small level is very convenient, the tool can be placed on your bag or bags, simultaneously occupy the space is too small, a very small weight is provided permanently screwed into the pores on the surface for, but some holes Use these holes to turn them into a string level.