A twin level assembly including two levels, wherein one of the two levels also contains an indicating device for performing a separate function, is disclosed. The twin level assembly comprises a first level and a second level that is selectively receivable into the first level through an opening in an end cap and into a receptacle of the first level. The second level is held in the first level by a retention mechanism. The first level and the second level each have at least one bubble vial for visually displaying level indications, while the indicating device in the second level is a type of stud sensor, laser pointer, metal detector, wire detector, or a sonic measurement device.
CROSS-REFERENCE TO RELATED APPLICATIONS
This application claims the benefit of and priority to commonly owned U.S. Provisional Application Ser. No. 60/875,007, filed Dec. 15, 2006, which is hereby incorporated by reference in its entirety.
