FIG. 1 is a front perspective view of a mini spirit level;
FIG. 2 is a front elevation view of the mini spirit level of FIG. 1;
FIG. 3 is left side elevation view of the mini spirit level of FIG. 1;
FIG. 4 is a top plan view of the mini spirit level of FIG. 1;
FIG. 5 is a rear elevation view of the mini spirit level of FIG. 1;
FIG. 6 is a right side elevation view of the mini spirit level of FIG. 1; and,
FIG. 7 is a bottom plan view of the mini spirit level of FIG. 1.
The dashed lines of the circular magnets, shown in the left side elevation view and the bottom plan view, and of the arrows pointing towards the top surface of the mini spirit level, shown in the front and rear elevation views, form no part of the claimed design.