Caliper Micrometer Inner Diameter Outer Diameter Calibration Block Rod Bar Gauge Bar Ring Gauge Range:25mm Accuracy:+-0 Including:1pc*25mm Rod Attention:according to commercial standardDue to diverse Monitor, the color may have differenceDue to hand measure ,Please allow 1-3% difference toleranceDue to lengthy shipping, the item may well damage in transit, if the object damage, pls touch us at first straight before depart feedback, thanks to your understandingkindly note: this hyperlink no longer encompass caliper and micrometer