Not Sure About Size?. – Just check 2 things in your TV or VESA manual: screw type (M8) and screw length in mm (e.g., M8×45mm). M8 Screws for Samsung TV – Extra Long Bolts Adjustable 13.5mm–45mm, TV Mounting Screws with Washers & Spacers, Fits 41–85″ VESA TVs.