顶面为工作面，用于高精度的直线度的检测、比较导轨或精研表面。如果需要，端头处可制作把手。规格（mm）重量（kg）订货号等级 精度（um）300x30x501.32x0101003.22x01001002.6400x40x602.22x0201003.62x02001002.8500x50x805.02x0301004.02x03001003.0630x50x807.02x0401004.42x04001003.2800x50x10010.52x0501005.22x05001003.61000x60x12015.02x0601006.02x06001004.01400x60x15035.02x0701007.62x07001004.81600x80x18053.02x0801008.42x08001005.22000x80x20089.02x090100102x09001006