ACCU-BEND Level with 4-vial. Locking track prevents powerful rare-earth magnets from falling out. Thumb screw attaches level to conduit to measure angle while bending. Large, easy-to-read high-visibility vials at 4 angles: level, 90, 45 and 30°. Large top-view vial windows enable easy readability from multiple angles. High-visibility orange professional grade billet aluminium body is easy to see on conduit and at the jobsite. V-Groove fits contour of conduit and pipe.