内测千分尺..品........名...............测量范围/精度...................................校准环规.内径千分尺..............5-30mmX0.01mm.............................5mm内径千分尺..............25-50mmX0.01mm..........................25mm内径千分尺..............50-75mmX0.01mm.........................------一、特点:1)用于各种内尺寸的测量。2)5-30/25-50规格配备环规。二、售后服务:1)计量不合格品凭计量证书退换!2)保修壹年。三、产品品牌产地:1)瑞士2)本MITUTOYO3)中国上海4)中国青海