1/2" Adjustable Foot With 50mm Rubber Pad Large Requires Insert Nut - C Tek Lean Solutions, Inc.
It Works Great 12 Pcs 50mm x 50mm L Shaped Black Rubber Angle Iron Caps Furniture Angle Pads Bed Steel Frame Racks Shelves Rubber Feet Covers(Hard Glue), 50x50mm(1.97 inches ) - Amazon.com
Black Rubber Table Chair Furniture Feet Leg Pads Tile Floor Protectors 6mm - 50mm | eBay
Rubber feet 11-50mm with steel insert case foot rubber foot boxes feet devices foot | eBay