The DDM003 has 5/16" D Rings, 3/8" Copper Inlaid Bars and a circular center with 3 Copper Rings.  The Copper Inlays and the Copper Frothers help create more salivation.  If you find you do not need the Copper Frothers simply turn the bitover so they are on top.  This is a Special Order item. Please allow 4 to 6 weeks for delivery.