Compress fits on to any 2X material; 2x4, 2x6, 2x8 etc…
Use with square posts, round posts up to 4 in. in diameter
Levels studs and joists
It will NOT fall off any leveling material
Cushioned rubber grip
3 Easy-to-read vials
High-impact composite body
Use on a long stud for a quick 8ft level, or more!