适合于垂直度和平行度的检测。垂直度标准DIN875。为减少重量及方便加工而增加了减重孔。4个边相对平行并且相邻垂直。规格（mm）重量（kg）订货号等级精度（um）400x250x5013RG0110004RG01010002RG010010001500x315x6028RG0210004RG02010002RG020010001630x400x6045RG0310004RG03010002RG030010001 规格(mm)重量（kg）订货号等级精度（um）400x160x10018RC01000非标3.0600x200x12036RC02000非标3.0900x250x13070RC03000非标4.01100x350x160140RC04000非标5.01300x400x180250RC05000非标5.01600x450x200450RC06000非标6.0