Webers Grill Grate is constructed of stainless steel material to ensure durability. This grill grate fits the Genesis 310/320/330 gas grill. Small-diameter rods are the hallmark of these stainless steel replacement cooking grates for Weber Genesis 300 series gas grills. Less metal equates to more radiant heat reaching food, enabling grill masters to showcase their browning skills on the BBQ. These grates are heavy duty and built to last with robot-welded rods that produce plenty of sizzle and Spruce up easily after each use.