Made from 250 Cast iron the WJT-4747HD 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. The WJT-7839-HD Welding Jig Table 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. For more information about our welding tables, contact a Toolfrance representative. \n \n \n \n 47" x 47 table \n Made from 250 Cast Iron with nitride coating \n Brinell Hardness 140~160 \n 5 Mounting Surfaces \n Expandable \n 2 ton weight capacity \n Industry Standard 28mm Mounting holes \n 100mm hole spacing \n Etched Position Marks \n Includes table Oiler, Brush and cleaning stone \n \nThe WJT-4747HD Welding Jig Table has a table size of 47" x 47"