The item in the image is an ELIVED Full-Motion TV Wall Mount (specifically resembling model EV1033).
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Hzxy TV Bracket Screws, 108PCS M4 M5 M6 M8 VESA Screws & Bolts Kit with Washers and Spacers for TV Wall Brackets, Universal TV Mounting Bolts and Screws for Back of TV, Fits Most TVs Up to 90 Inch
Universal TV Mounting Hardware Kit, TV Bracket Screws, 68Pcs M4 M5 M6 M8 Universal VESA Screws, Bolts, Spacers & Washers for Most TV Mount, Wall Bracket and TV Stand, Fits TVs Up to 80 Inches