Features and Benefits:•47” x 47” table•Made from 250 Cast Iron•Brinell Hardness 140~160•5 Mounting Surfaces•Expandable•2 ton weight capacity•Industry Standard 28mm Mounting holes•100mm hole spacing•Etched Position MarksThe WJT-4747-HD has a table size of 47" x 47" and has a total of 5 mourning surfaces that use Industry standard 28mm holes that are spaced at 100mm to ensure the most options with the strongest holding power.