DOWELL 6-Pack 3" Hanging Bubble Line Level

SHELL: The hollow plastic shell makes line level readable from top, side, or bottom, also makes it lightweight to reduce line sag for accurate reading. , BUBBLES: Made of special ABS materials, clear, precision, easy to read. Fluorescence for dark places. , HOOKS: Special molded hooks for hanging on builders line. Open-style to allow mini bubble level sliding along the lines freely. Opposite design for minimizing dropping off the line. , CLIPV-GROOVE: This hanging line level has a clip for attaching to a pocket, easy to take and store when working. V-shaped groove at the bottom provides reliable seating when leveling round items such as pipe, conduit, and shafts. , ECONOMICWIDELY USED: 6 pieces in one pack, you can keep them at home, construction site, in your vehicle, pockets, toolbox. It is widely used in bricklaying plumbing guttering tiling building trades engineering surveying equipment adjusting angle balance measuring.