OFE1158 Features: * Solid I-beam frame with magnetic edge * Top read window * Replaceable acrylic vials * Beveled end plates protect from shock * High visibility yellow * Vial Material: Plastic * Base Type: Magnetic * Structure: I-Beam * Brand Name: Magnetic Unitek * Type: Builders Spirit Level * Price is for 1 Each Specifications: * Vial Positions: 1 45 , 1 Level, 1 Plumb