Product Description ------------------- The Swanson Wood Magnet is the winner of the Popular Mechanics Award as well as an honorable mention for the Handy Magazine Innovation Award. This cutting-edge tool was developed for professional framing carpenters and skilled craftsmen. The Wood Magnet comes equipped with a high-impact composite body, a cushioned rubber grip, and three easy-to-read vials. It fits onto any 2X- material (2×4, 2×6, 2×8, etc. ), including posts and pipes up to 4 in. in diameter. An elastic strap easily attaches the Wood Magnet to your measuring material with a grip that won't let you down. With all of the features you never knew you needed, this level is made for hands-free work and one-man jobs. From the Manufacturer --------------------- Swanson Wood Magnet - Post Level and More! Compress fits on to any 2X material; 2x4, 2x6, 2x8 etc. Use with 4x4 Posts and Pipes up to 4" in diameter. Levels studs and joists. Will NOT fall off any leveling material. Use on a long stud for a quick 8ft level, or more! Has ABS hi-impact body, cushioned rubber grip, and three easy-to-read vials.