Outfitted with our Plumb Site Dual-View vial, users are provided with the traditional side view of the plumb vial and the unique ability to view plumb from the front. 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. 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.