A round Galvalume-coated metal plate with (14) barbed anchors and reinforcing ribs for superior wind uplift resistance. Designed for the mechanical attachment of the Mule-Hide Reinforced EPDM, PVC and TPO membranes. The 2.4" Seam Plates can also be used with Mule-Hide HDP Fasteners, EHD Fasteners, reinforced 6" wide RMS or 6" wide and 10" wide RUSS™ Strip.