LuckIn Sturdy Shelf Bracket, Fit 8 Inch Standard Board Sold by Homedepot,Unique Bracket for DIY Rustic Floating Shelf(4… Price: $21.99 (as of 09/26/2020 01:30 PST- Details) & FREE Shipping.

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SIZE: Shelf bracket: 7-1/4 x 4 inch, perfectly suitable for installing 8” (Actual Size is 7 1/4″) wide lumber board sold by Homedepot.
LOAD BEARING: LuckIn shelf bracket is made of HEAVY DUTY steel, can support up to 80 lbs.