Entire unit is formed of one piece of 18 gauge stainless steel having a 3/8" depression with a #4 satin finish. See chart for standard sizes.
Variable lengths available:
0690-18 – 18″ length x 6″ depth (457 x 152 mm)
0690-24 – 24″ length x 6″ depth (610 x 152 mm)