VEVOR Glass Railing Clamp 4 PCS Glass Railing 3.8 x 3.8 x 6.3 in. Glass Clamp for Glass Thickness 3/10 in. to 1/2 in., Silver BLJ4PCSFXJM000001V0 - The Home Depot
Rounded stainless steel glass clamps for flat surfaces
4 x Large 55mm 2.17" Square Glass Clamp for Flat Surface (Stainless Steel 316) by Inline Design - Amazon.com