Calibrated micrometer measures 0 to 1" (0 to 25mm) with 0.00005" (0.001mm) resolution and +/- 0.00005" accuracy, for taking outside diameter measurements in harsh workshop conditions 
• LCD screen displays in inches and metric units 
• Plastic components are oil-resistant and measuring faces are carbide-tipped for durability 
• Ratchet stop to help provide uniform pressure for precise, repeatable measurements 
• Ingress Protection certified IP65 for protection against dust and water