Calculated Industries Armadillo Gear Hard Case - Orange and Gray Shock absorbing, ergonomic, soft-grip case Features a tough 360-degree flip-top face This case fits the Mr. Gasket Hot Rod Calculator Also fits the Measure Master Pro (Model 4020), Construction Master Pro (Model 4065), Construction Master Pro Trig Plus (Model 4080), Real Estate Master (Model 3405), Qualifier Plus IIIx (Model 3415), and Qualifier Plus IIIfx (Model 3430) The Orange case will make it easy to find on your workbench or in your toolbox