Photo 1 of Countertop Support Brackets Hidden Countertop Support 0.25" Thick Knee Wall Support Bracket Heavy Duty Bracket for Quartz/Granite/Wood/Concrete Countertops Screws Included (4, 16 inches) (4, 10)

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Photo 1 of Countertop Support Brackets Hidden Countertop Support 0.25" Thick Knee Wall Support Bracket Heavy Duty Bracket for Quartz/Granite/Wood/Concrete Countertops Screws Included (4, 16 inches) (4, 10)Photo 2 of Countertop Support Brackets Hidden Countertop Support 0.25" Thick Knee Wall Support Bracket Heavy Duty Bracket for Quartz/Granite/Wood/Concrete Countertops Screws Included (4, 16 inches) (4, 10)Photo 3 of Countertop Support Brackets Hidden Countertop Support 0.25" Thick Knee Wall Support Bracket Heavy Duty Bracket for Quartz/Granite/Wood/Concrete Countertops Screws Included (4, 16 inches) (4, 10)