CE,SGS,ROHS can be met Dual-core Digital Vernier Caliper with IP54 Measuring Function: ID, OD, depth, Height, Step ... is now promotional! Welcome your inquiry!Dual-core Digital Vernier Caliper with IP54Division value/accuracy: +/-0.01mm(+/-0.0005")Measuring ... and matt with chrome platedMeasurement: both in metric and SAE(mm/inch measuring system conversion at any position with data output ...