REED Instruments R9060 5-Step Calibration Block Very good condition. Barely used. Just some light scuffing on the case. Features 5-Step Block 1018 Steel Square thickness Imperial (inch) and Metric (mm) unit of measurement REED R9060 Specifications Block Dimensions 0.100" (2.54mm) 0.200" (5.08mm) 0.300" (7.62mm) 0.400" (10.16mm) 0.500" (12.70mm) Square Thickness Dimension 0.750" (20mm) We take our reputation seriously, we buy and sell online, so we understand the value of trust! If you are unsatisfied with your order, please contact us and we will work with you to resolve it to your satisfaction! Thanks for looking at our listing and supporting our small family business! shelf 56 (box 3) NT