Product DescriptionSTABILA levels are unparalleled with regard to their accuracy and dependability. The secret - the vials made of block acrylic glass are firmly epoxy-locked in the frame. A perfect system. The vial is firmly cast in the high strength aluminum frame with non-shrink epoxy. No re-adjustment, no realignment, no tensioning against springs made of steel or fatigued plastic, no welding or clamping stresses. All STABILA levels are guaranteed to be accurate for life.Amazon.comThe Stabila Non-Magnetic Builders Level is a professional-grade tool ideal for framing, trim carpentry, and tile applications. Designed with a wider profile for added strength in the box beam frame, this builders level also features oversized rubber hand holds for comfortable use and a metal hang hole for storing the level on site. The level includes rubber end-caps and anti-slip wall pads that grip the walls for added level stability; the end-caps can also be removed for flush measuring when scribing corners or reading tight header and sill openings. The 3 acrylic vials (1 horizontal and 2 vertical) are guaranteed to never break, leak, or fog; with a permanently calibrated, epoxy-locked, crystal-clear design and internal spring steel hairline indicators, these vials are readable in any direction and have a certified level accuracy of .029 degrees in both vial-up and vial-down readings. The yellow electrostatic epoxy coating provides high-visibility and resistance to mortar adherence and corrosion. This level measures 96 inches in length and is backed by a lifetime limited warranty.From the ManufacturerStabilas 37496 - 96 builders level is one of the new best of the best professional levels. As the industry leader, Stabila has improved on the worlds best level with the new type 196 series. This level has a wider profile which means an even stronger frame. The accuracy is certified, top and bottom readings. Rubber pad end caps and wall grips that are functional yet removable for flush measuring.