This is a 12 inch dia steering wheel with 1 inch pipe dia and 6 mounting holes of dia 6 mm and pitch circle dia of 55 mm
SLDPRT (SolidWorks, filesize: 243 KB), STL (Stereolithography, filesize: 224 KB), STP (STEP, filesize: 17.9 KB), IGE (IGES, filesize: 75.1 KB)