Granite V-Block yog dav siv nyob rau hauv kev cob qhia, cuab yeej chav & txheem chav rau ntau yam kev siv nyob rau hauv cov cuab yeej thiab kev soj ntsuam lub hom phiaj xws li kos cov chaw raug, xyuas concentricity, parallelism, thiab lwm yam. Granite V Blocks, muag raws li matched khub, tuav thiab txhawb cylindrical pieces thaum lub sij hawm soj ntsuam los yog tsim.Lawv muaj qhov nominal 90-degree "V", nyob nruab nrab nrog thiab sib npaug mus rau hauv qab thiab ob sab thiab square mus rau qhov kawg.Lawv muaj nyob rau hauv ntau qhov ntau thiab tsawg thiab yog tsim los ntawm peb Jinan dub granite.