Features and Benefits:•78” x 39” table•Made from 250 Cast Ironwith nitride coating•Brinell Hardness 140~160•5 Mounting Surfaces•Expandable•2 ton weight capacity•Industry Standard 28mm Mounting holes•100mm hole spacingMade from 250 Cast iron the WJT-7839-HD welding jig table from Baileigh Industrial is made to withstand the rigors of any shop. All of Baileigh Industrial's welding tables are made to exact tolerances and maintain flatness of +/- .0025" and have a hardness rating of 140 to 160 Brinell.