This bracket holds up countertops mad from granite or heavy stone,.

This side mount bracket hold up all kinds of countertops and bars strong enough for granite.

Hidden Granite Countertop Flat Bracket

Hidden Granite Countertop L Bracket

L Bracket Countertop Support - 18 inch / Aluminum - The Original

Solid Heavy Duty Steel Countertop Support Bracket 12

FanFlex: Lightweight flexible crests and patches that fold easy. - FanTex: An all-new super comfortable soft fabric. - FanFit: The authentic on-ice

Hidden Granite Countertop Flat Bracket, Size: 14

Granite Overhangs Edgewood Cabinetry

FanFlex: Lightweight flexible crests and patches that fold easy. - FanTex: An all-new super comfortable soft fabric. - FanFit: The authentic on-ice

Countertop Support Bracket 20 Steel L-Bracket

All About Quartz Countertops - This Old House

Countertop Support Bracket for floating Granite - Floating Inside