The Kapro 175 features a V-Groove base that is suited to making pipe and conduit jobs both easier and more accurate. 175 MaxPro Heavy Duty 48" I-Beam w/45° Vial Use these professional levels for masonry, carpentry, and construction! Coming in an array of sizes to fit any job, the user is provided with unparalleled accuracy and ease of reading. The Kapro 175 MaxPro I-Beam leads the way in professional levels. Its heavy duty aluminum frame, convenient ABS handle, and shock absorbing rubber end caps ensure the Kapro 175 MaxPro™ will get the job done right.