ALBO 16 Inch Heavy Duty Countertop Support Brackets 2PCS Mesa Verde National Park Patch Village. ALBO 16" Heavy Duty Countertop Support Brackets 2PCS, 600 lb 3 8" Steel Hidden Knee Wall Corbel Matte Black Powder Coated L Brackets Incl Screws & Anchors for Quartz Granite Wood Concrete Laminate HEAVY DUTY 3 8 IN STEEL 3 8 in steel plate supports up to 1,000 lbs per pair, outmuscling generic 1 4 in brackets to lock down quartz, granite, or butcher block islands, bar tops, and workbenches. MULTI SURFACE SAFE Beveled edge protects quartz, granite, wood, concrete, and laminate from chips and hairline cracks. 2 PACK MODULAR Two brackets cover 32 on 16 centers; add one every 16 for longer topsbuy only what you need. ALL IN ONE HARDWARE Includes wood stud and masonry fasteners to mount into studs or stoneno extra store runs. POWDER COATED ARMOR Tough matte black powder coated finish resists rust, chips, and stains for kitchens, patios, breweries, and shops.