TOOGOO(R) Universal Replacement Cookware Pot Glass Lid Cover Knob 2pcs Product Name : Cookware Lid Cover Knob;Material : Stainless Steel Mounting Hole : 4mm (Diameter) Size : 2.2"(Diameter) x 1.25"(H) Weight : 40g Package : 2pcs x Cookware Pot Cover Knob