#14 gauge, type 304 stainless steel. Specifically designed cantilever bracket support. Readily removable without tools. Reversible design, may be used on the right and/or left side of the scullery. Designed to fit the channel rim of the Sturdibilt ®, the Weldbilt ®, and the Rigidbilt ® scullery sinks. 24 (610mm) long x 24 (610mm) wide with 2 (51mm) high rim and 1 (25mm) closed hem on outside on three sides. Ship. Wt. 30 lbs.