Your customers will love being presented with this Sliding Concrete Volume Calculator, to make estimating a breeze. It measures 1.8″ x 7.75″ x .010 clear sleeve + .020 white compressed laminated plastic insert. The Concrete Calculator is Screen printed with 2 custom spot colors + white, on the sleeve, black and red imprint on insert, any bleed edge, printed before folding, and is available in French and English for both Canada and USA measurements. The Canadian version has Imperial measurements on the front and metric on back.The Sliding Concrete Calculator Slide Rules are available in quantities of 250 or more, and additional imprint colours are optional. Standard production time on the Concrete Calculators is 10 to 15 days. Custom scales also available.