Absolute Digimatic Calipers With Jaws On Both Sides For Internal And External Measurement. Range: 0-600 Mm, Resolution: 0.01 Mm, Accuracy: +- 0.05 Mm, Repeatability : 0.01 Mm, Battery: Sr44, Similar To Mitutoyo Model No. 500-501-10. Make/Brand: Mitutoyo/Starrett/Spi/Mahr Or Simi Lar. [ Warranty Period: 30 Months After The Date Of Delivery ] ]