POST & PIPE LEVEL: Accurate and ergonomic; this level features a tough; high-density molded body that promises unparalleled durability. VERSATILE USE: Designed for multi-purpose handymen tasks; this level has rugged acrylic vials that read plumb and level simultaneously HIGH-VISIBILITY: The pipe level has reflective backing that boosts vial visibility; making it easy to read in dim-lit or dark areas HANDS-FREE USE: The post level has a rubber strap that allows hands-free use. You can quickly attach the body to any post; pole; or stringer for ease at work IDEAL APPLICATIONS: This Johnson post and pipe level are ideal for leveling and plumbing posts; flagpoles; water pipes; fences; railings and decks; and jobs requiring hand-free use